🌱 Bump actions/cache from 4.2.0 to 4.2.1

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](actions/cache@1bd1e32...0c907a7)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/pr-dependabot.yaml

@@ -28,7 +28,7 @@ jobs:
       with:
         # go-version: ${{ steps.vars.outputs.go_version }} // TODO: we have to use go version consistent with test infra jobs
         go-version: '1.23'
-    - uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # tag=v4.2.0
+    - uses: actions/cache@0c907a75c2c80ebcb7f088228285e798b750cf8f # tag=v4.2.1
       name: Restore go cache
       with:
         path: |