fix: re-generate types based on specifciation updates (GoogleChromeLabs#273)

Author: browser-automation-bot

out/gen/permissions.d.ts

@@ -22,6 +22,7 @@ export declare namespace Permissions {
     descriptor: Permissions.PermissionDescriptor;
     state: Permissions.PermissionState;
     origin: string;
+    topLevelOrigin?: string;
     userContext?: string;
   };
 }

src/gen/permissions.ts

@@ -22,6 +22,7 @@ export namespace Permissions {
     descriptor: Permissions.PermissionDescriptor;
     state: Permissions.PermissionState;
     origin: string;
+    topLevelOrigin?: string;
     userContext?: string;
   };
 }