emqx/changes/ce/feat-12267.en.md

Add a new timeout parameter to the cluster/:node/invite interface. Previously the default timeout was 5s which would often be caused by HTTP API calls due to emqx taking too long to join cluster.

Add a new endpoint /cluster/:node/invite_async to support an asynchronous way to invite nodes to join the cluster, and a new endpoint cluster/invitation to inspect the join status.