chore(deps): update docker/build-push-action digest to 2a53c6c

Author: renovate[bot]

.github/workflows/build_studio_images.yml

@@ -47,7 +47,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@4fad532b9fdbfb80f436784834374a1c11834153
+        uses: docker/build-push-action@2a53c6ccda456d31fb62eedc658aae06e238b7bd
         with:
           context: .
           file: packer/kh-klipper.dockerfile