PHASE 2 - Enable Packet-CI in gitlab and move unit-tests and deploy-part1 (#4538)

* PHASE 2 - Enable Packet-CI in gitlab

* Add gitlab files

* Reset files back and only keep Packet

* Include packet

* Add missing Upgrade Tests

* Update GCE jobs etc

* Fix bug

* Yaml lint all gitlab files

* Remove GCE

* Test

* Test again

* Enable GCE again

* Install requirements

* Cleanup the gitlab file

* Cleanup runner tags

* Install requirements

* Test

* Test variables for gce

* Test again

* Test again

* Fix

* Update