Update cachetools to 5.2.* (#8119)

Author: hauntsaninja

stubs/cachetools/METADATA.toml

@@ -1 +1 @@
-version = "5.0.*"
+version = "5.2.*"

stubs/cachetools/cachetools/keys.pyi

@@ -1,6 +1,7 @@
 from collections.abc import Hashable
 
-__all__ = ("hashkey", "typedkey")
+__all__ = ("hashkey", "methodkey", "typedkey")
 
 def hashkey(*args: Hashable, **kwargs: Hashable) -> tuple[Hashable, ...]: ...
+def methodkey(self: object, *args: Hashable, **kwargs: Hashable) -> tuple[Hashable, ...]: ...
 def typedkey(*args: Hashable, **kwargs: Hashable) -> tuple[Hashable, ...]: ...