Bump actions/cache from 3.0.11 to 4.1.2 (#68)

Bumps [actions/cache](https://github.com/actions/cache) from 3.0.11 to 4.1.2.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3.0.11...v4.1.2)

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

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

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Setup Python 3.8
       uses: actions/setup-python@v5
     - name: Cache PyPI
-      uses: actions/cache@v3.0.11
+      uses: actions/cache@v4.1.2
       with:
         key: pip-lint-${{ hashFiles('requirements.txt') }}
         path: ~/.cache/pip
@@ -62,7 +62,7 @@ jobs:
       run: |
         echo "::set-output name=dir::$(pip cache dir)"    # - name: Cache
     - name: Cache PyPI
-      uses: actions/cache@v3.0.11
+      uses: actions/cache@v4.1.2
       with:
         key: pip-ci-${{ matrix.pyver }}-${{ hashFiles('requirements.txt') }}
         path: ${{ steps.pip-cache.outputs.dir }}