Merge pull request rails#55272 from zzak/changelog-typo

Fix use_big_decimal_serializer flag

Author: zzak

guides/source/7_2_release_notes.md

@@ -567,7 +567,7 @@ Please refer to the [Changelog][active-job] for detailed changes.
 
 ### Deprecations
 
-*   Deprecate `Rails.application.config.active_job.use_big_decimal_serialize`.
+*   Deprecate `Rails.application.config.active_job.use_big_decimal_serializer`.
 
 ### Notable changes