Bump actions/cache from 3.2.3 to 3.2.6 (#490)

Bumps [actions/cache](https://github.com/actions/cache) from 3.2.3 to 3.2.6.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3.2.3...v3.2.6)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/tests.yml

@@ -72,7 +72,7 @@ jobs:
           print("::set-output name=result::{}".format(result))
 
       - name: Restore pre-commit cache
-        uses: actions/cache@v3.2.3
+        uses: actions/cache@v3.2.6
         if: matrix.session == 'pre-commit'
         with:
           path: ~/.cache/pre-commit