update(deps): update docker/build-push-action digest to 502612d

Author: renovate[bot]

.github/workflows/build_publish_docker.yaml

@@ -42,7 +42,7 @@ jobs:
       # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
       - name: Build and push Docker image
         id: push
-        uses: docker/build-push-action@b66d8774c665b789105b440514f0c97e6f19b06f
+        uses: docker/build-push-action@502612d46437e573ecd598d11dd0b009741ed5cd
         with:
           context: .
           push: true