Bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...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/automatic-api-update.yaml

@@ -8,7 +8,7 @@ jobs:
     timeout-minutes: 10
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
       - name: "Update Buf Script"
         id: buf-update

.github/workflows/build.yaml

@@ -12,7 +12,7 @@ jobs:
     name: "Test Clients"
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v2"
+      - uses: "actions/checkout@v4"
       - uses: "ruby/setup-ruby@v1"
         with:
           ruby-version: "2.7.3"
@@ -27,7 +27,7 @@ jobs:
     name: "Generate Protobufs"
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v2"
+      - uses: "actions/checkout@v4"
       - uses: "ruby/setup-ruby@v1"
         with:
           ruby-version: "2.7.3"

.github/workflows/manual-api-update.yaml

@@ -12,7 +12,7 @@ jobs:
     timeout-minutes: 10
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
       - name: "Update Buf Script"
         id: buf-update

.github/workflows/publish.yaml

@@ -8,7 +8,7 @@ jobs:
   release:
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v2"
+      - uses: "actions/checkout@v4"
       - name: "Set up Ruby"
         uses: "ruby/setup-ruby@v1"
         with: