Update resource list

Author: Autogenerator Pipeline

generator/resources.json

@@ -2982,7 +2982,8 @@
   ],
   "Microsoft.Insights/myWorkbooks": [
     "2015-05-01",
-    "2020-10-20"
+    "2020-10-20",
+    "2021-03-08"
   ],
   "Microsoft.Insights/privateLinkScopes/privateEndpointConnections": [
     "2019-10-17-preview"
@@ -7086,7 +7087,8 @@
   "microsoft.insights/workbooks": [
     "2015-05-01",
     "2018-06-17-preview",
-    "2020-10-20"
+    "2020-10-20",
+    "2021-03-08"
   ],
   "microsoft.insights/workbooktemplates": [
     "2019-10-17-preview"