Don't use AIO in development

This was needed in my Vagrant setup (VirtualBox)

environments/development.json

@@ -4,6 +4,9 @@
   "json_class": "Chef::Environment",
   "chef_type": "environment",
   "default_attributes": {
+    "openresty": {
+      "try_aio": false
+    }
   },
   "override_attributes": {
     "kosmos-mastodon": {