fix: correct YAML branch indentation in render() (src and examples)

- Ensure `import yaml as _yaml` and print are inside fmt == "yaml" block

Author: Arturo R Montesinos

src/cli.py

@@ -242,7 +242,7 @@ def render(obj: Any, args: argparse.Namespace) -> None:
         if not _HAVE_YAML:
             print("YAML output requested but PyYAML is not installed.", file=sys.stderr)
             sys.exit(2)
-        import yaml as _yaml  # type: ignore[import-untyped]
+        import yaml as _yaml
         print(_yaml.safe_dump(_to_serializable(obj), sort_keys=False, allow_unicode=True))
         return
 
@@ -269,7 +269,7 @@ def render(obj: Any, args: argparse.Namespace) -> None:
             return
         # Fallback to tabulate
         if _HAVE_TABULATE:
-            from tabulate import tabulate as _tabulate  # type: ignore[import-untyped]
+            from tabulate import tabulate as _tabulate
 
             print(
                 _tabulate(