ref: Add external contributor to CHANGELOG.md (#13195)

This PR adds the external contributor to the CHANGELOG.md file, so that
they are credited for their contribution. See #13062

Co-authored-by: Lms24 <[email protected]>

Author: github-actions[bot]

CHANGELOG.md

@@ -9,6 +9,8 @@
 
 - "You miss 100 percent of the chances you don't take. — Wayne Gretzky" — Michael Scott
 
+Work in this release was contributed by @horochx. Thank you for your contribution!
+
 ## 8.22.0
 
 ### Important Changes