[skip-release] Pin libops/.github action to f39fff4

Author: renovate[bot]

.github/workflows/lint-test-build-push.yaml

@@ -19,7 +19,7 @@ jobs:
 
   build-push:
     needs: [lint-test]
-    uses: libops/.github/.github/workflows/build-push-ghcr.yaml@main
+    uses: libops/.github/.github/workflows/build-push-ghcr.yaml@f39fff4fbd5096221d705143e88e5942f5d9a604 # main
     permissions:
       contents: read
       packages: write