Update telegram-alpha to 2.99.1.96152,355 (#3893)

Casks/telegram-alpha.rb

@@ -1,11 +1,11 @@
 cask 'telegram-alpha' do
-  version '2.99.96148,354'
-  sha256 '2130a4c16e2247c77cf0e4f686ce2ebcd249fcf2ee3f562f21ffcadfa55460eb'
+  version '2.99.1.96152,355'
+  sha256 '75ecffd934e11298f62a148efe1f0cf10fd182ce9b1fa0b7956b69deb693ddb9'
 
   # 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: '1715f537a14a9b1c39afa4a258adc604ce4f99abc70312ffad6f33ac63cd206b'
+          checkpoint: '7a019e2ce1220397da7e3575c0f6d80c7eeefd3b09d15170cfc50e5e87ffdd86'
   name 'Telegram for macOS'
   name 'Telegram Swift'
   homepage 'https://macos.telegram.org/'