fix(scripts): Appending .exe extension on Windows executables.

scripts/common.py

@@ -137,7 +137,7 @@ def __init__(self, argv, script_name: str, script_version: str):
         # Check if running on Windows
         if sys.platform.startswith('win'):
             self.flatc_path = self.flatc_path.replace('/', '\\')
-            if not self.flatc_path.endswith(".exe"):
+            if not self.flatc_path.lower().endswith(".exe"):
                 self.flatc_path += ".exe"