chore(deps): update docker/build-push-action digest to cb8fc75

Author: renovate[bot]

.github/workflows/docker-publish.yml

@@ -48,7 +48,7 @@ jobs:
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
-        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        uses: docker/build-push-action@cb8fc7586f9ad9441b20c33e0f6e8b1b58d8b4c6
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}