fix user_friendships_v1 user_ids form data

instagrapi/mixins/user.py

@@ -307,9 +307,10 @@ def user_friendships_v1(self, user_ids: List[str]) -> dict:
         -------
         dict
         """
+        user_ids_str = ','.join(user_ids)
         result = self.private_request(
             "friendships/show_many/",
-            data={"user_ids": user_ids},
+            data={"user_ids": user_ids_str},
             with_signature=False
         )
         return result["friendship_statuses"]