Update telegram-alpha to 3.2.3-104997,616 (#4462)

Casks/telegram-alpha.rb

@@ -1,11 +1,11 @@
 cask 'telegram-alpha' do
-  version '3.2.2-104922,613'
-  sha256 '418b3aa981eaa6e9cd6875044879f4aa70839bc89cf5351ebdf8236b520bf597'
+  version '3.2.3-104997,616'
+  sha256 '065d652537b3bf5dd68e8dfa7973d8b06c87229ea953ca7e2105a050901d828d'
 
   # 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: '631ae00c8b8faf9c84d7ef216863a4c77279c123c51c29730e4a7f5597dfc613'
+          checkpoint: '738438571032a965cdd472ce0609b2c76e49f71d453b2dca48f003d2d35663f6'
   name 'Telegram for macOS'
   name 'Telegram Swift'
   homepage 'https://macos.telegram.org/'