Update docker/build-push-action action to v6.19.0

Author: renovate[bot]

.github/workflows/docker-publish.yml

@@ -80,7 +80,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
+        uses: docker/build-push-action@ee4ca427a2f43b6a16632044ca514c076267da23 # v6.19.0
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}