CHANGELOG.md update

Author: HardNorth

CHANGELOG.md

@@ -7,7 +7,7 @@
 - Official `Python 3.14` support, by @HardNorth
 - Custom log level support in `RPLogHandler` class, by @HardNorth
 ### Removed
-- `Python 3.7` support, by @HardNorth
+- `Python 3.8` support, by @HardNorth
 - Deprecated `log_manager.py` module, by @HardNorth
 
 ## [5.6.7]