fix: Update CHANGELOG.rst

Co-authored-by: Robert Raposa <rraposa@gmail.com>

Author: Akanshu-2u

CHANGELOG.rst

@@ -21,7 +21,7 @@ Fixed
 
 * Fixed authentication issues where username mismatches between logged-in users and social auth details caused "user already exists" errors.
 
-  * Added temporary rollout toggle IGNORE_LOGGED_IN_USER_ON_MISMATCH to ensure the bug fix doesn't introduce any issues..
+  * Added temporary rollout toggle IGNORE_LOGGED_IN_USER_ON_MISMATCH to ensure the bug fix doesn't introduce any issues.
   * Enhanced get_user_if_exists function with monitoring capabilities for debugging authentication conflicts.
 
 [4.6.0] - 2025-06-18