* initial changes to use udp and dns in K8s for rtpengine ng
* github actions
* logging
* remove port from service name before dns lookup
* query rtpengine dns immediately on startup
* bugfix prev checkin
* use dns.lookup instead of resolve4 (k8s does not appear to consult search patterns in resolve.conf with the latter)
* return all rtpengine endpoints in dns lookup
* bugfix: polling rtpengine endpoints
* fix prev commit
* catch error on rtpengine failure
* update deps
* require node 14 in gh action build
* specify node version in gh actions
Dave Horton