ci: bump docker/build-push-action from 6.7.0 to 6.8.0 (#218)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/docker-build.yml

@@ -97,7 +97,7 @@ jobs:
             core.setOutput("docker-tags", docker_tags);
 
       - name: Push Docker image
-        uses: docker/build-push-action@v6.7.0
+        uses: docker/build-push-action@v6.8.0
         id: docker_build_and_push
         with:
           context: .