Add production target to Docker build action

This commit updates the Docker publish workflow by specifying the 'production' target for the build-push action. This change ensures that the production configuration is used during the Docker build process.

.github/workflows/docker-publish-demo.yml

@@ -75,6 +75,7 @@ jobs:
         uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
         with:
           context: ./server-demo
+          target: production
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}