drupal-environment#17 Add support for extra.lakedrops-allow-plugins

src/Plugin.php

@@ -47,7 +47,7 @@ class Plugin implements PluginInterface {
         foreach ($this->readJson('config', $extra['lakedrops-config-file'], $io) as $key => $value) {
           if ($key === 'allow-plugins') {
             foreach ($extra['lakedrops-allow-plugins'] ?? [] as $pluginKey => $pluginValue) {
-              $value['allow-plugins'][$pluginKey] = $pluginValue;
+              $value[$pluginKey] = $pluginValue;
             }
           }
           $composer->getConfig()