build(deps): bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

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

.github/workflows/test.yml

@@ -61,15 +61,15 @@ jobs:
  echo "bazel_repository_cache=$(bazel info repository_cache)" >> $GITHUB_ENV
  echo "bazel_output_base=$(bazel info output_base)" >> $GITHUB_ENV
  - name: Cache bazel build of external repositories
- uses: actions/cache@v3
+ uses: actions/cache@v4
  with:
  path: |
  ${{ env.bazel_output_base }}/external
  key: bazel-build-cache-${{steps.setup_go.outputs.go-version}}-${{hashFiles('deps.bzl', 'WORKSPACE')}}
  restore-keys: |
  bazel-build-cache-${{steps.setup_go.outputs.go-version}}
  - name: Cache bazel external repositories
- uses: actions/cache@v3
+ uses: actions/cache@v4
  with:
  path: |
  ${{ env.bazel_repository_cache }}