Update Mypy so I can use PEP 695 type param syntax

stubs/aiocache/base.pyi

@@ -1,7 +1,3 @@
-from typing import Generic, TypeVar
-
-T = TypeVar("T")
-
-class BaseCache(Generic[T]):
+class BaseCache[T]:
 	@staticmethod
 	def parse_uri_path(path: str) -> dict[str, str]: ...

stubs/aiocache/factory.pyi

@@ -1,11 +1,9 @@
-from typing import ClassVar, Optional, TypeVar
+from typing import ClassVar, Optional
 
 from .base import BaseCache
 from .serializers import BaseSerializer
 
-T = TypeVar("T")
-
-class Cache(BaseCache[T]):
+class Cache[T](BaseCache[T]):
 	MEMORY: ClassVar[type[BaseCache]]
 	REDIS: ClassVar[type[BaseCache] | None]
 	MEMCACHED: ClassVar[type[BaseCache] | None]

stubs/boltons/iterutils.pyi

@@ -1,5 +1,5 @@
 from collections.abc import Callable, Mapping
-from typing import TypeAlias, TypeVar
+from typing import TypeVar
 
 # Apparently you need Python 3.13 for type var defaults to work. But since this
 # is just a stub file, it's okay if they aren't supported at runtime.
@@ -8,7 +8,7 @@ KOut = TypeVar("KOut", default=KIn)
 VIn = TypeVar("VIn")
 VOut = TypeVar("VOut", default=VIn)
 
-Path: TypeAlias = tuple[KIn, ...]
+type Path[KIn] = tuple[KIn, ...]
 
 # remap() is Complicated and really difficult to define a type for, so I'm not
 # surprised the boltons package doesn't try to type it for you. This particular