update changelog

Author: kaiyan-sheng

packages/awsfirehose/changelog.yml

@@ -3,7 +3,7 @@
  changes:
  - description: Remove regex from ingest pipeline
  type: bugfix
- link: https://github.com/elastic/integrations/pull/14845
+ link: https://github.com/elastic/integrations/pull/14914
 - version: "1.8.1"
  changes:
  - description: Update correct link for pull request