[gnome] Update extensions

gnome/.local/share/gnome-shell/extensions/gsconnect@andyholmes.github.io/shell/keybindings.js

@@ -6,6 +6,10 @@ import * as Main from 'resource:///org/gnome/shell/ui/main.js';
 import Meta from 'gi://Meta';
 import Shell from 'gi://Shell';
 
+/**
+ * @callback KeybindingCallback
+ * @returns {void}
+ */
 
 /**
  * Keybindings.Manager is a simple convenience class for managing keyboard
@@ -48,8 +52,8 @@ export class Manager {
      * Add a keybinding with callback
      *
      * @param {string} accelerator - An accelerator in the form '<Control>q'
-     * @param {Function} callback - A callback for the accelerator
-     * @returns {*} A non-zero action id on success, or 0 on failure
+     * @param {KeybindingCallback} callback - A callback for the accelerator
+     * @returns {number} A non-zero action id on success, or 0 on failure
      */
     add(accelerator, callback) {
         try {
@@ -65,6 +69,7 @@ export class Manager {
             return action;
         } catch (e) {
             logError(e);
+            return 0;
         }
     }