chore: Update generation configuration at Tue Jan 20 02:47:01 UTC 2026

Author: cloud-java-bot

generation_config.yaml

@@ -1,5 +1,5 @@
 gapic_generator_version: 2.65.1
-googleapis_commitish: 984014a92ee7bc436b1b8ee5829fda79d4792707
+googleapis_commitish: cb268fbea71671755aa2df8db5ced13084fabf6a
 libraries_bom_version: 26.74.0-rc2
 template_excludes:
   - .gitignore