cli/add_from_fs(fix[error-handling]): Use early return instead of raise in exception handler

why: Match established error handling patterns in the codebase
what:
- Change raise to return in save_config_yaml exception handler
- Maintains consistency with other modules' error handling approach

Author: tony

src/vcspull/cli/add_from_fs.py

@@ -324,7 +324,7 @@ def add_from_filesystem(
                 import traceback
 
                 traceback.print_exc()
-            raise
+            return
     else:
         log.info(
             f"{Fore.GREEN}✓{Style.RESET_ALL} No changes made to the configuration.",