Update telegram-alpha to 3.1.2.104067,584 (#4370)

Casks/telegram-alpha.rb

@@ -1,11 +1,11 @@
 cask 'telegram-alpha' do
-  version '3.1.2.104054,583'
-  sha256 'c3829eab4d495dc367430b4b01437e3c0846a8b05662e7b0bf91e9c2e048f812'
+  version '3.1.2.104067,584'
+  sha256 'aec5b84a054b73c8947756f2c10bfe331c016d669cb6c282cc08d920a357da03'
 
   # hockeyapp.net/api/2/apps/6ed2ac3049e1407387c2f1ffcb74e81f was verified as official when first introduced to the cask
   url "https://rink.hockeyapp.net/api/2/apps/6ed2ac3049e1407387c2f1ffcb74e81f/app_versions/#{version.after_comma}?format=zip"
   appcast 'https://rink.hockeyapp.net/api/2/apps/6ed2ac3049e1407387c2f1ffcb74e81f',
-          checkpoint: '1295fb3991a49f0393b743774590c1d45a2ecfd1d2063d37cdeef54103053450'
+          checkpoint: 'cb2922b885027a0499a33bde5a940adeb2c40d19378cd5b74b295f7dd0c399b6'
   name 'Telegram for macOS'
   name 'Telegram Swift'
   homepage 'https://macos.telegram.org/'