feat: Automated regeneration of adexchangebuyer2 v2beta1 client (#11659)

Auto-created at 2022-09-15 11:16:04 +0000 using the toys pull request generator.

Author: yoshi-code-bot

generated/google-apis-adexchangebuyer2_v2beta1/CHANGELOG.md

@@ -1,5 +1,10 @@
 # Release history for google-apis-adexchangebuyer2_v2beta1
 
+### v0.19.0 (2022-09-15)
+
+* Regenerated from discovery document revision 20220913
+* Regenerated using generator version 0.9.0
+
 ### v0.18.0 (2022-07-01)
 
 * Regenerated using generator version 0.8.0