[MOD] Updated podspec

Author: kai-leeee

SendBirdDesk.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
  s.name = "SendBirdDesk"
- s.version = "1.1.5"
+ s.version = "1.1.6"
  s.summary = "SendBird Desk iOS Framework"
  s.homepage = "https://sendbird.com"
  s.license = "Commercial"
@@ -21,5 +21,5 @@ Pod::Spec.new do |s|
  s.ios.vendored_frameworks = 'SendBirdDesk.xcframework'
  s.ios.frameworks = ["UIKit", "AVFoundation", "AVKit", "UserNotifications"]
 
- s.dependency 'SendbirdChatSDK', ">= 4.18.0"
+ s.dependency 'SendbirdChatSDK', ">= 4.20.0"
 end