Bump actions/cache from 2.1.6 to 3.0.5

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.6 to 3.0.5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2.1.6...v3.0.5)

---
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/tests.yml

@@ -67,7 +67,7 @@ jobs:
           print("::set-output name=result::{}".format(result))
 
       - name: Restore pre-commit cache
-        uses: actions/cache@v2.1.6
+        uses: actions/cache@v3.0.5
         if: matrix.session == 'pre-commit'
         with:
           path: ~/.cache/pre-commit