chore(ci): encode github toke

ios/fastlane/Fastfile

@@ -10,13 +10,19 @@ platform :ios do
       in_house: false
     )
 
+    # Helper method to encode GitHub token
+    def encoded_github_token
+      require 'base64'
+      Base64.strict_encode64("x-access-token:#{ENV['MATCH_GITHUB_TOKEN']}")
+    end
+
     match(
       type: "appstore",
       readonly: true,
       api_key: api_key,
       git_branch: "master",
       #password: ENV['MATCH_PASSWORD'], # will be picked up from environment variables
-      git_basic_authorization: ENV['MATCH_GITHUB_TOKEN']
+        git_basic_authorization: encoded_github_token
     )
 
     build_ios_app(