chore(deps): bump docker/build-push-action from 6.14.0 to 6.15.0 (#638)

Author: dependabot[bot]

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

@@ -66,7 +66,7 @@ jobs:
         run: echo "$META"
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@0adf9959216b96bec444f325f1e493d4aa344497
+        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4
         if: ${{ env.DEBUG != 'true' }}
         with:
           context: .