Reworked the logging a bit.

index.js

@@ -116,8 +116,8 @@ async function postCode() {
 
     const api = new ScreepsAPI(login_arguments);
     const response = await api.code.set(branch, files_to_push);
-    core.info(response.status);
-    core.info(JSON.stringify(response.json(), null, 2));
+    core.info(response);
+    core.info(JSON.stringify(response.json, null, 2));
 }
 
 postCode();