Use lowercase type everywhere (#6853)

stdlib/email/_header_value_parser.pyi

@@ -1,7 +1,7 @@
 import sys
 from email.errors import HeaderParseError, MessageDefect
 from email.policy import Policy
-from typing import Any, Iterable, Iterator, Pattern, Type, TypeVar, Union
+from typing import Any, Iterable, Iterator, Pattern, TypeVar, Union
 from typing_extensions import Final
 
 _T = TypeVar("_T")
@@ -327,7 +327,7 @@ class Terminal(str):
     syntactic_break: bool
     token_type: str
     defects: list[MessageDefect]
-    def __new__(cls: Type[_T], value: str, token_type: str) -> _T: ...
+    def __new__(cls: type[_T], value: str, token_type: str) -> _T: ...
     def pprint(self) -> None: ...
     @property
     def all_defects(self) -> list[MessageDefect]: ...

stdlib/email/headerregistry.pyi

@@ -13,7 +13,7 @@ from email._header_value_parser import (
 )
 from email.errors import MessageDefect
 from email.policy import Policy
-from typing import Any, ClassVar, Type
+from typing import Any, ClassVar
 from typing_extensions import Literal
 
 class BaseHeader(str):
@@ -141,10 +141,10 @@ if sys.version_info >= (3, 8):
 
 class HeaderRegistry:
     def __init__(
-        self, base_class: Type[BaseHeader] = ..., default_class: Type[BaseHeader] = ..., use_default_map: bool = ...
+        self, base_class: type[BaseHeader] = ..., default_class: type[BaseHeader] = ..., use_default_map: bool = ...
     ) -> None: ...
-    def map_to_type(self, name: str, cls: Type[BaseHeader]) -> None: ...
-    def __getitem__(self, name: str) -> Type[BaseHeader]: ...
+    def map_to_type(self, name: str, cls: type[BaseHeader]) -> None: ...
+    def __getitem__(self, name: str) -> type[BaseHeader]: ...
     def __call__(self, name: str, value: Any) -> BaseHeader: ...
 
 class Address: