Bump build-push-action to v6

Author: Stefomat

.github/workflows/build_and_push.yml

@@ -40,7 +40,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: true