chore(youtubeAnalytics): update the api

googleapiclient/discovery_cache/documents/youtubeAnalytics.v2.json

diff --git a/googleapiclient/discovery_cache/documents/youtubeAnalytics.v2.json b/googleapiclient/discovery_cache/documents/youtubeAnalytics.v2.json
index b80792a..3904cd8 100644
--- a/googleapiclient/discovery_cache/documents/youtubeAnalytics.v2.json
+++ b/googleapiclient/discovery_cache/documents/youtubeAnalytics.v2.json
@@ -421,7 +421,7 @@
       }
     }
   },
-  "revision": "20210501",
+  "revision": "20210504",
   "rootUrl": "https://youtubeanalytics.googleapis.com/",
   "schemas": {
     "EmptyResponse": {