Bump actions/cache from 4 to 5 (#101)

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  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>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -125,7 +125,7 @@ jobs:
 
       - name: Restore cached micro.sfx
         id: restore-micro-sfx
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           path: buildroot/bin/micro.sfx
           key: micro-sfx-${{ runner.os }}-${{ runner.arch }}-${{ needs.phar.outputs.php-version }}-${{ hashFiles('craft.yml') }}
@@ -139,7 +139,7 @@ jobs:
       - name: Cache micro.sfx
         id: cache-micro-sfx
         if: steps.restore-micro-sfx.outputs.cache-hit != 'true'
-        uses: actions/cache/save@v4
+        uses: actions/cache/save@v5
         with:
           path: buildroot/bin/micro.sfx
           key: ${{ steps.restore-micro-sfx.outputs.cache-primary-key }}