Bump actions/cache from 3 to 4 (#3095)

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](https://github.com/actions/cache/compare/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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yaml

@@ -233,7 +233,7 @@ jobs:
           sudo chown -R runner:runner /mnt/cache
 
       - name: "Restore cache: object files"
-        uses: actions/cache/restore@v3
+        uses: actions/cache/restore@v4
         with:
           path: /mnt/cache/cc
           key: haos-cc-${{ matrix.board.id }}
@@ -288,7 +288,7 @@ jobs:
 
       - name: "Save cache: object files"
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache/save@v3
+        uses: actions/cache/save@v4
         with:
           path: /mnt/cache/cc
           key: haos-cc-${{ matrix.board.id }}-${{ github.run_id }}