Bump actions/cache from 2 to 3 (#132)

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2...v3)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

Author: dependabot[bot]

.github/workflows/test.yml

@@ -29,7 +29,7 @@ jobs:
         echo "${HOME}/.poetry/bin" >> $GITHUB_PATH
 
     - name: Set up cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: .venv
         key: venv-${{ matrix.python-version }}-${{ hashFiles('poetry.lock') }}