Bump actions/cache from 3.0.5 to 3.0.8

Bumps [actions/cache](https://github.com/actions/cache) from 3.0.5 to 3.0.8.
- [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/v3.0.5...v3.0.8)

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

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

.github/workflows/dockerimage.yml

@@ -35,7 +35,7 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Cache Docker layers
-        uses: actions/cache@v3.0.5
+        uses: actions/cache@v3.0.8
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}
@@ -137,7 +137,7 @@ jobs:
         uses: docker/setup-buildx-action@v2
 
       - name: Cache Docker layers
-        uses: actions/cache@v3.0.5
+        uses: actions/cache@v3.0.8
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}