feat: add apollo-ios-cli

[nekrich]

Summary

Description:

• Tool repo URL: https://github.com/apollographql/apollo-ios-codegen, but binaries distributed in https://github.com/apollographql/apollo-ios
• Plugin repo URL: https://github.com/MacPaw/asdf-apollo-ios-cli

Checklist

• Format with scripts/format.bash
• Test locally with scripts/test_plugin.bash --file plugins/<your_new_plugin_name>
• Your plugin CI tests are green
  • Tip: use the plugin_test action from asdf-actions in your plugin CI