Add more defaults to the stdlib (#9606)

Continuing work towards #8988.

The first five commits were created using stubdefaulter on various Python versions; the following commits were all created manually by me to fix various problems. The main things this adds that weren't present in #9501 are:

- Defaults in Windows-only modules and Windows-only branches (because I'm running a Windows machine)
- Defaults in non-py311 branches
- Defaults for float parameters
- Defaults for overloads

stdlib/pyclbr.pyi

@@ -31,7 +31,7 @@ class Class:
         ) -> None: ...
     else:
         def __init__(
-            self, module: str, name: str, super: list[Class | str] | None, file: str, lineno: int, parent: Class | None = ...
+            self, module: str, name: str, super: list[Class | str] | None, file: str, lineno: int, parent: Class | None = None
         ) -> None: ...
 
 class Function:
@@ -60,7 +60,7 @@ class Function:
             end_lineno: int | None = None,
         ) -> None: ...
     else:
-        def __init__(self, module: str, name: str, file: str, lineno: int, parent: Function | Class | None = ...) -> None: ...
+        def __init__(self, module: str, name: str, file: str, lineno: int, parent: Function | Class | None = None) -> None: ...
 
 def readmodule(module: str, path: Sequence[str] | None = None) -> dict[str, Class]: ...
 def readmodule_ex(module: str, path: Sequence[str] | None = None) -> dict[str, Class | Function | list[str]]: ...