refactor: migrate to github gql api

src/api.rs

@@ -115,3 +115,13 @@ where
             })
     }
 }
+
+async fn parse_graphql_response<T>(
+    res: reqwest::Response,
+) -> Result<graphql_client::Response<T>, Error>
+where
+    T: serde::de::DeserializeOwned,
+{
+    let data: graphql_client::Response<T> = res.json().await?;
+    Ok(data)
+}