give the config step an id

Author: jskeet

.github/workflows/librarian_config_check.yml

@@ -24,6 +24,7 @@ jobs:
               - '.librarian/config.yaml'
               - '.librarian/state.yaml'
       - name: Config check
+        id: config-check
         if: steps.filter.outputs.librarian == 'true'
         run: |
           V=$(go run github.com/googleapis/librarian/cmd/librarian@latest config get version)