chore: update prev version in state (#1862)

Author: ohmayr

.librarian/state.yaml

@@ -1,7 +1,7 @@
 image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator:latest
 libraries:
   - id: google-auth
-    version: 2.41.1
+    version: 2.42.1
     last_generated_commit: 102d9f92ac6ed649a61efd9b208e4d1de278e9bb
     apis: []
     source_roots: