Add init to NameError stub with name keyword argument (#11627)

Co-authored-by: Jay Qi <jayqi@users.noreply.github.com>

Closes #11626

stdlib/builtins.pyi

@@ -1865,6 +1865,7 @@ class MemoryError(Exception): ...
 
 class NameError(Exception):
     if sys.version_info >= (3, 10):
+        def __init__(self, *args: object, name: str | None = ...) -> None: ...
         name: str
 
 class ReferenceError(Exception): ...