⬆️ Bump the github-actions group with 1 update (#137)

* ⬆️ Bump the github-actions group with 1 update

Bumps the github-actions group with 1 update: [actions/cache](https://github.com/actions/cache).


Updates `actions/cache` from 3 to 4
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

* Add `save-always: true`

---------

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

.github/workflows/main.yml

@@ -35,16 +35,18 @@ jobs:
         sudo ln -sf "$(which python2.7)" "$(dirname $(which python2.7))/python"
 
     - name: Pip cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
+        save-always: true
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('**/requirements/*.txt') }}
         restore-keys: |
           ${{ runner.os }}-pip-
 
     - name: Pre-commit cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
+        save-always: true
         path: ~/.cache/pre-commit
         key: ${{ runner.os }}-pre-commit-${{ matrix.python-version }}-${{ hashFiles('**/requirements/ci.txt') }}-${{ hashFiles('.pre-commit-config.yaml') }}
         restore-keys: |