Update pydoc for 3.12 (#10467)

stdlib/pydoc.pyi

@@ -61,6 +61,7 @@ class Doc:
     def getdocloc(self, object: object, basedir: str = ...) -> str | None: ...
 
 class HTMLRepr(Repr):
+    def __init__(self) -> None: ...
     def escape(self, text: str) -> str: ...
     def repr(self, object: object) -> str: ...
     def repr1(self, x: object, level: complex) -> str: ...
@@ -148,6 +149,7 @@ class HTMLDoc(Doc):
     def filelink(self, url: str, path: str) -> str: ...
 
 class TextRepr(Repr):
+    def __init__(self) -> None: ...
     def repr1(self, x: object, level: complex) -> str: ...
     def repr_string(self, x: str, level: complex) -> str: ...
     def repr_str(self, x: str, level: complex) -> str: ...