update mcaos image

packages/stream_chat_v1/ios/fastlane/Fastfile

@@ -34,8 +34,6 @@ platform :ios do
     desc "Deploy build to Firebase"
     lane :deploy_to_firebase do
         match_me
-        xcode_install(version: "13.0")
-        xcversion(version: "~> 13.0.0")
        
         gym(
             workspace: "./Runner.xcworkspace",
@@ -61,8 +59,6 @@ platform :ios do
     desc "Deploy build to TestFlight"
     lane :deploy_to_testflight do
         match_appstore
-        xcode_install(version: "13.0")
-        xcversion(version: "~> 13.0.0")
 
         settings_to_override = {
           :BUNDLE_IDENTIFIER => "io.getstream.flutter",