Apply ruff/Pylint rule PLW3201

PLW3201 Dunder method `__init___` has no special meaning in Python 3

Author: DimitriPapadopoulos

src/setuptools_scm/_log.py

@@ -18,7 +18,7 @@
 
 
 class AlwaysStdErrHandler(logging.StreamHandler):  # type: ignore[type-arg]
-    def __init___(self) -> None:
+    def __init__(self) -> None:
         super().__init__(sys.stderr)
 
     @property  # type: ignore [override]