build(deps): replace yaml with ruamel.yaml for better compatibility

ruamel.yaml provides better YAML 1.2 support and preserves comments/formatting

Author: liwuv587

.github/scripts/validate_files.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import json
-import yaml
+import ruamel.yaml as yaml
 import sys
 import os
 import argparse