fix(deps): bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/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
...

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

.github/workflows/build.yml

@@ -77,7 +77,7 @@ jobs:
     - name: "Cache: Restore"
       id: cache-restore
       if: ${{ !env.ACT }} # https://github.com/nektos/act#skipping-steps
-      uses: actions/cache/restore@v3
+      uses: actions/cache/restore@v4
       with:
         path: |
           ~/.m2/repository
@@ -234,7 +234,7 @@ jobs:
         gh actions-cache delete ${{ steps.cache-restore.outputs.cache-primary-key }} --confirm || true
 
     - name: "Cache: Update"
-      uses: actions/cache/save@v3
+      uses: actions/cache/save@v4
       if: ${{ always() && !cancelled() && !env.ACT }} # save cache even fails
       with:
         path: |