Update documentation with latest OpenAPI spec

Author: actions-user

openapi.json

@@ -14061,6 +14061,7 @@
             "news.new" : "#/components/schemas/NewsActivityResponsePayload",
             "post.create" : "#/components/schemas/Tweet",
             "post.delete" : "#/components/schemas/PostDeleteActivityResponsePayload",
+            "post.mention.create" : "#/components/schemas/Tweet",
             "profile.update.affiliate_badge" : "#/components/schemas/ProfileUpdateActivityResponsePayload",
             "profile.update.banner_picture" : "#/components/schemas/ProfileUpdateActivityResponsePayload",
             "profile.update.bio" : "#/components/schemas/ProfileUpdateActivityResponsePayload",
@@ -14142,6 +14143,7 @@
               "dm.read",
               "post.create",
               "post.delete",
+              "post.mention.create",
               "like.create"
             ]
           },