Update github_rest_api/github.py

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: dclong

github_rest_api/github.py

@@ -82,7 +82,7 @@ def _delete(self, url, raise_for_status: bool = True) -> requests.Response:
             resp.raise_for_status()
         return resp
 
-    def _put(self, url, raise_for_status: bool = True, **kwargs) -> requests.Response:
+    def _put(self, url: str, raise_for_status: bool = True, **kwargs) -> requests.Response:
         resp = requests.put(
             url=url,
             headers=self._headers,