Actions(deps): bump ScribeMD/docker-cache from 0.3.6 to 0.3.7

Bumps [ScribeMD/docker-cache](https://github.com/scribemd/docker-cache) from 0.3.6 to 0.3.7.
- [Release notes](https://github.com/scribemd/docker-cache/releases)
- [Changelog](https://github.com/ScribeMD/docker-cache/blob/main/CHANGELOG.md)
- [Commits](ScribeMD/docker-cache@0.3.6...0.3.7)

---
updated-dependencies:
- dependency-name: ScribeMD/docker-cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/test.yaml

@@ -34,7 +34,7 @@ jobs:
       run: make build
 
     - name: Cache Docker images.
-      uses: ScribeMD/[email protected].6
+      uses: ScribeMD/[email protected].7
       with:
         key: docker-${{ runner.os }}-${{ hashFiles('docker-compose.yaml') }}