Bump actions/cache from 4.0.0 to 4.1.2

Bumps [actions/cache](https://github.com/actions/cache) from 4.0.0 to 4.1.2.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@13aacd8...6849a64)

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

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

.github/workflows/nightlyfuzz.yml

@@ -28,7 +28,7 @@ jobs:
         run: echo "corpus_dir=$(go env GOCACHE)/fuzz" >> $GITHUB_OUTPUT
         shell: "bash"
       - name: "Restore corpus"
-        uses: "actions/cache/restore@13aacd865c20de90d75de3b17ebe84f7a17d57d2" # v4.0.0
+        uses: "actions/cache/restore@6849a6489940f00c2f30c0fb92c6274307ccb58a" # v4.1.2
         id: "restore-corpus"
         with:
           path: "${{ steps.get-corpus-dir.outputs.corpus_dir }}"
@@ -44,7 +44,7 @@ jobs:
         if: failure()
         run: find . -type f|fgrep '/testdata/fuzz/'|while read f; do echo $f; cat $f; done
       - name: "Save corpus"
-        uses: "actions/cache/save@13aacd865c20de90d75de3b17ebe84f7a17d57d2" # v4.0.0
+        uses: "actions/cache/save@6849a6489940f00c2f30c0fb92c6274307ccb58a" # v4.1.2
         # We save also on failure, so that we can keep the valuable corpus generated that led to finding a crash.
         # If the corpus gets clobbered for any reason, we can remove the offending cache from the Github UI.
         if: always()