build(deps): 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/e2e.yml

@@ -32,7 +32,7 @@ jobs:
  name: e2e-test
  timeout-minutes: 45
  steps:
- - uses: actions/checkout@v3
+ - uses: actions/checkout@v4
  # TODO: replace with https://github.com/google-github-actions/auth and
  # workload identity instead of an exported SA credential.
  - name: "Auth to GCP exist env"

.github/workflows/test.yml

@@ -32,7 +32,7 @@ jobs:
  runs-on: ${{ matrix.os }}
 
  steps:
- - uses: actions/checkout@v3
+ - uses: actions/checkout@v4
  - uses: actions/setup-go@v4
  with:
  go-version: "1.20"