Bump actions/checkout from 5 to 7 (#1164)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
           version: "1.34.0"
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v4

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
     # Prevent duplicate builds on internal PRs.
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-go@v6
         with:
           go-version: stable
@@ -35,7 +35,7 @@ jobs:
         go-version: [1.26.5]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
 
       - name: Install Go
         uses: actions/setup-go@v6