build(deps): bump docker/build-push-action from 6.14.0 to 6.15.0 (#655)

Author: dependabot[bot]

.github/workflows/artifacts.yaml

@@ -106,7 +106,7 @@ jobs:
 
       - name: Build and push image
         id: build
-        uses: docker/build-push-action@0adf9959216b96bec444f325f1e493d4aa344497 # v6.14.0
+        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6.15.0
         with:
           context: .
           platforms: linux/amd64,linux/arm64,linux/arm/v7