chore: Update discovery artifacts (#1396)

## Discovery Artifact Change Summary:
feat(dialogflow): update the api https://github.com/googleapis/google-api-python-client/commit/f7b0ebc0047427b3633480999ed28e0f37fa77f1
feat(sasportal): update the api https://github.com/googleapis/google-api-python-client/commit/ca30eddc3d583c1851cc2f70f37c1d9f81f4342f
feat(youtube): update the api https://github.com/googleapis/google-api-python-client/commit/981cfb0ae51df0d2f48152bb74f79840ca19727a
diff --git a/docs/dyn/youtube_v3.tests.html b/docs/dyn/youtube_v3.tests.html
index 86b9229..eb5d57c 100644
--- a/docs/dyn/youtube_v3.tests.html
+++ b/docs/dyn/youtube_v3.tests.html
@@ -96,6 +96,7 @@
     The object takes the form of:
 
 {
+  "featuredPart": True or False,
   "gaia": "A String",
   "id": "A String",
   "snippet": {
@@ -111,6 +112,7 @@
   An object of the form:
 
     {
+  "featuredPart": True or False,
   "gaia": "A String",
   "id": "A String",
   "snippet": {