add a github workflow to trigger ent->oss merge on every PR merged (#13072)
add a github workflow to trigger ent->oss merge on every PR merged (#13072)

* add a github workflow to trigger ent->oss merge on every PR merged

* remove the workflow automation ref to trigger-oss-merge in circle-ci

* remove workflow automation

* revert circle-ci changes

* add actor

* remove cherrypicker

* add condition to avoid running in enterprise
hashicorp/consul,hashicorp/consul,hashicorp/consul,hashicorp/consul