Bump actions/checkout from 6 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: bazel-contrib/setup-bazel@0.19.0
         with:
           bazelisk-cache: true
@@ -31,7 +31,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: bazel-contrib/setup-bazel@0.19.0
         with:
           bazelisk-cache: true
@@ -51,7 +51,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: bazel-contrib/setup-bazel@0.19.0
         with:
           bazelisk-cache: true
@@ -72,7 +72,7 @@ jobs:
         bazel: [7.7.1, 8.5.1, 9.0.0]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: bazel-contrib/setup-bazel@0.19.0
         with:
           bazelisk-cache: true
@@ -98,7 +98,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: bazel-contrib/setup-bazel@0.19.0
         with:
           bazelisk-cache: true

.github/workflows/claude.yml

@@ -28,7 +28,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 25
 

.github/workflows/update.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           token: ${{ secrets.GITHUB_TOKEN }}