feat: Automated regeneration of aiplatform v1 client (#27181)

Auto-created at 2026-06-28 10:07:03 +0000 using the toys pull request generator.

Author: yoshi-code-bot

api_names_out.yaml

@@ -1,8 +1,8 @@
 # Release history for google-apis-aiplatform_v1
 
-### v0.89.0 (2026-06-21)
+### v0.89.0 (2026-06-28)
 
-* Regenerated from discovery document revision 20260617
+* Regenerated from discovery document revision 20260623
 
 ### v0.88.0 (2026-06-14)