chore: import upstream snapshot with attribution

common/data_source/github/models.py

@@ -0,0 +1,15 @@
+from typing import Any
+
+from github import Repository
+from github.Requester import Requester
+from pydantic import BaseModel
+
+
+class SerializedRepository(BaseModel):
+    # id is part of the raw_data as well, just pulled out for convenience
+    id: int
+    headers: dict[str, str | int]
+    raw_data: dict[str, Any]
+
+    def to_Repository(self, requester: Requester) -> Repository.Repository:
+        return Repository.Repository(requester, self.headers, self.raw_data, completed=True)