fixed boltons stubtest failure

Author: randolf-scholz

stubs/boltons/boltons/cacheutils.pyi

@@ -24,11 +24,11 @@ class LRI(dict[_KT, _VT]):
     def __setitem__(self, key: _KT, value: _VT) -> None: ...
     def __getitem__(self, key: _KT) -> _VT: ...
     @overload
-    def get(self, key: _KT, default: None = None) -> _VT | None: ...
+    def get(self, key: object, default: None = None) -> _VT | None: ...
     @overload
-    def get(self, key: _KT, default: _VT) -> _VT: ...
+    def get(self, key: object, default: _VT) -> _VT: ...
     @overload
-    def get(self, key: _KT, default: _T) -> _T | _VT: ...
+    def get(self, key: object, default: _T) -> _T | _VT: ...
     def __delitem__(self, key: _KT) -> None: ...
     @overload
     def pop(self, key: object) -> _VT: ...