Bump actions/cache from 2.1.4 to 3.3.2

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.4 to 3.3.2.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2.1.4...v3.3.2)

---
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/tests.yml

@@ -17,7 +17,7 @@ jobs:
       uses: actions/setup-node@v2.1.5
 
     - name: Restore bundler cache
-      uses: actions/cache@v2.1.4
+      uses: actions/cache@v3.3.2
       with:
         path: vendor/gems
         key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}