docs: add info to CHANGES

Author: sijis

CHANGES.rst

@@ -20,7 +20,7 @@ fixes:
 - chore: bump requests to 2.32.3 (#1715)
 - chore: bump jinja2 to 3.1.6 (#1723)
 - chore: update errbot-backend-slackv3 version to 0.3.1 (#1725)
-
+- refactor: use importlib to find plugins in entry_points (#1669)
 
 v6.2.0 (2024-01-01)
 -------------------