phan: Update wpcom stubs

.phan/stubs/wpcom-stubs.php

@@ -4,7 +4,7 @@
  * `bin/teamcity-builds/jetpack-stubs/stub-defs.php` and regenerate the stubs
  * by triggering the Jetpack Staging → Update WPCOM Stubs job in TeamCity.
  *
- * Stubs automatically generated from WordPress.com commit b97a8d79ff4f32395c77389fb22c900517a9d1a1.
+ * Stubs automatically generated from WordPress.com commit c22dbf3bcf2334f7010cf491a7817654b95c54fe.
  */
 
 namespace {
@@ -252,6 +252,18 @@ function header_js()
     function global_css()
     {
     }
+    class WPCOM_External_Connections
+    {
+        /**
+         * @return WPCOM_External_Connections
+         */
+        static function init()
+        {
+        }
+        public function get_external_services_list($type = \false, $blog_id = \false)
+        {
+        }
+    }
     class WPCOM_Google_Sheets_Helper
     {
         /**
@@ -1451,6 +1463,14 @@ function prompt_without_blocks($prompt_html)
     function assign_current_user(string $experiment_name): ?string
     {
     }
+    /**
+     * @param string $experiment_name
+     * @param \WP_User $user
+     * @return string|null
+     */
+    function assign_given_user(string $experiment_name, \WP_User $user): ?string
+    {
+    }
 }
 namespace JITM {
     class Engine