Update Lib/_colorize.py

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: savannahostrowski

Lib/_colorize.py

@@ -171,7 +171,7 @@ class Argparse(ThemeSection):
     action: str = ANSIColors.BOLD_GREEN
     reset: str = ANSIColors.RESET
     error: str = ANSIColors.BOLD_MAGENTA
-    warning: str = ANSIColors.BOLD_MAGENTA
+    warning: str = ANSIColors.BOLD_YELLOW
     message: str = ANSIColors.MAGENTA