chore: sync librarian.yaml with generation_config.yaml (#13354)

Created by:
- run `migrate .`
- manual add back librarian version.

Expect no generation diff from this change.

Author: zhumin8

librarian.yaml

@@ -16,8 +16,8 @@ version: v0.16.1-0.20260602193207-5917f20190fa
 repo: googleapis/google-cloud-java
 sources:
   googleapis:
-    commit: dae2a496666e372c1ebf56ceb54fe7f467a2c10e
-    sha256: 867490e3ce7818a2011475a888ce5d77c68cb7a13764f47d9aec8cf3038320e0
+    commit: 0ff3c706a5e0964c6430529c406208f2ff57cf65
+    sha256: 9d38b84e5ac5d7224071db75ee1d628d64984389d6efe9346bffb598a8a566a6
   showcase:
     commit: 328bec7ce4c1fb77c37fdf1868d0506bc02a70fc
     sha256: 8df187486e37edf5a78c1646c859c311bc452871b9ba4641d93149d3c53450a2