Bump docker/build-push-action from 6.15.0 to 6.16.0 (#205)

Author: dependabot[bot]

.github/workflows/build-docker.yml

@@ -26,7 +26,7 @@ jobs:
           images: domna/pyelli
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4
+        uses: docker/build-push-action@14487ce63c7a62a4a324b0bfb37086795e31c6c1
         with:
           context: .
           push: true