Update generated GraphQL schema

Author: sandhose

frontend/schema.graphql

@@ -2463,11 +2463,23 @@ Represents the current viewer's session
 """
 union ViewerSession = BrowserSession | Oauth2Session | Anonymous
 
+"""
+Marks an element of a GraphQL schema as no longer supported.
+"""
 directive @deprecated(
   reason: String = "No longer supported"
 ) on FIELD_DEFINITION | ARGUMENT_DEFINITION | INPUT_FIELD_DEFINITION | ENUM_VALUE
+"""
+Directs the executor to include this field or fragment only when the `if` argument is true.
+"""
 directive @include(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT
+"""
+Directs the executor to skip this field or fragment when the `if` argument is true.
+"""
 directive @skip(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT
+"""
+Provides a scalar specification URL for specifying the behavior of custom scalar types.
+"""
 directive @specifiedBy(url: String!) on SCALAR
 schema {
   query: Query