chore(deps): bump whoan/docker-build-with-cache-action from 6 to 8 (#591)

Bumps [whoan/docker-build-with-cache-action](https://github.com/whoan/docker-build-with-cache-action) from 6 to 8.
- [Release notes](https://github.com/whoan/docker-build-with-cache-action/releases)
- [Commits](whoan/docker-build-with-cache-action@v6...v8)

---
updated-dependencies:
- dependency-name: whoan/docker-build-with-cache-action
  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/main.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: CI tests, image build and push tag for main or branch
-        uses: whoan/docker-build-with-cache-action@v6
+        uses: whoan/docker-build-with-cache-action@v8
         with:
           username: ${{ env.BOT_USERNAME }}
           password: '${{ env.BOT_TOKEN }}'