build(deps): bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/main.yml

@@ -35,7 +35,7 @@ jobs:
     runs-on: ${{ matrix.runner }}
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go }}

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
       id-token: write  # for provenances
       attestations: write  # for provenances
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           # https://github.com/reproducible-containers/repro-get/issues/3
           fetch-depth: 0