Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build_linux.yml

@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
     steps:
     - name: Checkout 
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with: 
         submodules: true
     - name: Set up Python ${{ matrix.python-version }}

.github/workflows/build_macos.yml

@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
     steps:
     - name: Checkout 
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with: 
         submodules: true
     - name: Set up Python ${{ matrix.python-version }}

.github/workflows/build_windows.yml

@@ -22,7 +22,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
     steps:
     - name: Checkout 
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with: 
         submodules: true
     - name: Set up Clang

.github/workflows/wheels.yml

@@ -18,7 +18,7 @@ jobs:
         cibw_python: ["cp38-*", "cp39-*", "cp310-*", "cp311-*"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true 
@@ -81,7 +81,7 @@ jobs:
         cibw_arch: ["x86_64", "arm64"]  # TODO: add "universal2" once a universal2 libomp is available
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true
@@ -164,7 +164,7 @@ jobs:
         cibw_arch: ["x86_64"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: true
 
@@ -199,7 +199,7 @@ jobs:
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true