Fix CI with new mypy version (#732)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: sobolevn

rest_framework-stubs/authtoken/models.pyi

@@ -15,4 +15,4 @@ class Token(models.Model):
 class TokenProxy(Token):
     # This is how drf defines this:
     @property  # type: ignore
-    def pk(self) -> Any: ...
+    def pk(self) -> Any: ...  # type: ignore[override]