Big diff: use lower-case list and dict (#5888)

stubs/requests/requests/utils.pyi

@@ -1,4 +1,4 @@
-from typing import Any, AnyStr, Dict, Iterable, Mapping, Text, Tuple
+from typing import Any, AnyStr, Iterable, Mapping, Text, Tuple
 
 from . import compat, cookies, exceptions, structures
 
@@ -40,7 +40,7 @@ def is_ipv4_address(string_ip): ...
 def is_valid_cidr(string_network): ...
 def set_environ(env_name, value): ...
 def should_bypass_proxies(url, no_proxy: Iterable[AnyStr] | None) -> bool: ...
-def get_environ_proxies(url, no_proxy: Iterable[AnyStr] | None = ...) -> Dict[Any, Any]: ...
+def get_environ_proxies(url, no_proxy: Iterable[AnyStr] | None = ...) -> dict[Any, Any]: ...
 def select_proxy(url: Text, proxies: Mapping[Any, Any] | None): ...
 def default_user_agent(name=...): ...
 def default_headers(): ...