chore(deps): bump actions/cache from 4.2.0 to 4.2.1 (#4463)

Bumps [actions/cache](https://github.com/actions/cache) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/1bd1e32a3bdc45362d1e726936510720a7c30a57...0c907a75c2c80ebcb7f088228285e798b750cf8f)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -116,7 +116,7 @@ jobs:
         run: go mod download
 
       - name: Cache envtest binaries
-        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
+        uses: actions/cache@0c907a75c2c80ebcb7f088228285e798b750cf8f # v4.2.1
         with:
           path: bin/k8s
           key: ${{ runner.os }}-envtest-${{env.KUBERNETES_VERSION}}