build(deps): bump actions/cache from 2.1.5 to 3.3.1

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.5 to 3.3.1.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2.1.5...v3.3.1)

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

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

.github/workflows/staging-build.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: set up docker buildx
         uses: docker/setup-buildx-action@v2
       - name: cache docker layers
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v3.3.1
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}