`broccoli-babel-transpiler is opting out of caching`

[boris-petrov]

This plugin causes ember-cli to output the following when running ember serve:

broccoli-babel-transpiler is opting out of caching due to a plugin that does not provide a caching strategy: `env => {
    let plugin = createGlimmerPlugin({
      ...config,
      [INTERNAL_CONFIG]: {
        hasTemplateNode: 'template' in env.syntax.builders,
      },
    });
    return plugin;
  }`.