Enable pyright for all Python 3 stubs (#5597)

* pyright: disable reportUnknownParameterType

Unknown parameter types are preferred over Any annotations for
incomplete stubs. Especially larger stubs are expected to be
incomplete for some time and it would be a shame to lose the
other pyright warnings for those stubs.

* Also disable reportUnknownVariableType

Fix problems with tkinter

* Disable reportUnknownMemberType

Fix pyright problems

stubs/docutils/docutils/__init__.pyi

@@ -1,5 +1,4 @@
-from collections.abc import Sequence
-from typing import Any, ClassVar, NamedTuple, Optional, Tuple, Union
+from typing import Any, ClassVar, NamedTuple, Optional, Tuple
 
 __docformat__: str
 __version__: str

stubs/docutils/docutils/utils/__init__.pyi

@@ -3,8 +3,10 @@ from typing import Any, Optional
 
 from docutils.io import FileOutput
 
+_list = list
+
 class DependencyList:
-    list: list[str]
+    list: _list[str]
     file: Optional[FileOutput]
     def __init__(self, output_file: Optional[str] = ..., dependencies: Iterable[str] = ...) -> None: ...
     def set_output(self, output_file: Optional[str]) -> None: ...