Update telegram-alpha to 2.99.95758,343 (#3837)

Casks/telegram-alpha.rb

@@ -1,11 +1,11 @@
 cask 'telegram-alpha' do
-  version '2.99.95673,342'
-  sha256 'c5f3c58d7d5ce9188a6d199db13548ee13fbfa31aa7c8e0afa9c291fc578c41a'
+  version '2.99.95758,343'
+  sha256 '74b8f06495c19802ad43bd98b99b9bcd5faee2008d0fefd9bce8b8a246d3dbaf'
 
   # 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: 'd9a64ff6ff40aef2531653949ac0afca6058fc73178fd4a418b53593def0aefb'
+          checkpoint: '62a40e15254313c7a5e37955c9fe573c37175039509956bf64a0a6a8d31bf9bc'
   name 'Telegram for macOS'
   name 'Telegram Swift'
   homepage 'https://macos.telegram.org/'