.github: update actions/checkout to v4

.github/workflows/cache_cleanup.yml

@@ -15,7 +15,7 @@ jobs:
       contents: read
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Cleanup
         run: |

.github/workflows/cygwin_build.yml

@@ -144,7 +144,7 @@ jobs:
     runs-on: 'windows-latest'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       - name: Prepare ccache timestamp

.github/workflows/esp32_build.yml

@@ -155,7 +155,7 @@ jobs:
         gcc: [10]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       - name: Install Prerequisites

.github/workflows/macos_build.yml

@@ -151,7 +151,7 @@ jobs:
         ]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       - name: Install Prerequisites

.github/workflows/test_ccache.yml

@@ -136,7 +136,7 @@ jobs:
         gcc: [10]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       - name: ccache test

.github/workflows/test_chibios.yml

@@ -168,7 +168,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_coverage.yml

@@ -38,7 +38,7 @@ jobs:
             type: coverage
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_dds.yml

@@ -152,7 +152,7 @@ jobs:
         ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_environment.yml

@@ -73,7 +73,7 @@ jobs:
           esac
 
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
             submodules: 'recursive'
       - name: test install environment ${{matrix.os}}.${{matrix.name}}

.github/workflows/test_linux_sbc.yml

@@ -167,7 +167,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_replay.yml

@@ -161,7 +161,7 @@ jobs:
         ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_scripting.yml

@@ -25,7 +25,7 @@ jobs:
     container: ardupilot/ardupilot-dev-base:v0.1.3
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
 

.github/workflows/test_scripts.yml

@@ -22,7 +22,7 @@ jobs:
        ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       - name: test ${{matrix.config}}

.github/workflows/test_sitl_blimp.yml

@@ -173,7 +173,7 @@ jobs:
         ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build
@@ -220,7 +220,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_sitl_copter.yml

@@ -171,7 +171,7 @@ jobs:
         ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build
@@ -224,7 +224,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build
@@ -279,7 +279,7 @@ jobs:
       options: --privileged --cap-add=SYS_PTRACE --security-opt apparmor=unconfined --security-opt seccomp=unconfined
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build
@@ -320,7 +320,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_sitl_periph.yml

@@ -163,7 +163,7 @@ jobs:
     container: ardupilot/ardupilot-dev-periph:v0.1.3
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build
@@ -212,7 +212,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_sitl_plane.yml

@@ -172,7 +172,7 @@ jobs:
         ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build
@@ -220,7 +220,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_sitl_rover.yml

@@ -171,7 +171,7 @@ jobs:
         ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build
@@ -220,7 +220,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_sitl_sub.yml

@@ -174,7 +174,7 @@ jobs:
         ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build
@@ -221,7 +221,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_sitl_tracker.yml

@@ -174,7 +174,7 @@ jobs:
         ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build
@@ -221,7 +221,7 @@ jobs:
 
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build

.github/workflows/test_size.yml

@@ -86,7 +86,7 @@ jobs:
           - config: disco
             toolchain: chibios
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.base.ref }}
           path: base_branch
@@ -175,7 +175,7 @@ jobs:
 
           echo [`date`] Built ${{ github.event.pull_request.base.ref }} with no versions
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           path: 'pr'

.github/workflows/test_unit_tests.yml

@@ -117,7 +117,7 @@ jobs:
         ]
     steps:
       # git checkout the PR
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
       # Put ccache into github cache for faster build