```text

chore: Update publishOptions.js with new update key

Update the publishOptions.js file to use the new update key instead of the deprecated 'updateKey' variable. This ensures that the correct token is used for authentication when publishing updates.

electron/constants/publishOptions.js

@@ -7,9 +7,9 @@ const publishOptions = {
   owner: 'valory-xyz',
   repo: 'olas-operate-app',
   releaseType: 'release',
-  token: updateKey,
+  token: process.env.GH_TOKEN,
   private: true,
   publishAutoUpdate: true,
 };
 
-module.exports = { publishOptions };
+module.exports = { publishOptions, updateKey };

electron/update.js

@@ -1,11 +1,15 @@
-const { publishOptions } = require('./constants/publishOptions');
+const { publishOptions, updateKey } = require('./constants/publishOptions');
 const electronUpdater = require('electron-updater');
+const electronLogger = require('electron-log');
 
-const macUpdater = new electronUpdater.MacUpdater(publishOptions);
+const macUpdater = new electronUpdater.MacUpdater({
+  ...publishOptions,
+  token: updateKey,
+});
 
 macUpdater.autoDownload = true;
 macUpdater.autoInstallOnAppQuit = true;
-macUpdater.logger = require('electron-log');
+macUpdater.logger = electronLogger;
 
 macUpdater.on('update-not-available', () => {
   console.log('No updates available');