terraform: update CI + remove compatibility note from README (#60) #31

Job	Run time
Run Tests / Lint Check	15s
Run Tests / Lint Check	15s
Run Tests / Check libraries	24s
Run Tests / Check libraries	24s
Run Tests / Integration tests (microk8s)	17m 7s
Run Tests / Integration tests (microk8s)	17m 35s
Run Tests / Unit Test	20s
Run Tests / Unit Test	20s
Run Tests / Terraform / Lint Terraform	8s
Run Tests / Terraform / Lint Terraform	8s
Run Tests / Terraform / Apply / Apply Terraform	5m 25s
Run Tests / Terraform / Apply / Apply Terraform	5m 25s
Run Tests / Terraform / Check / Check Terraform	10s
Run Tests / Terraform / Check / Check Terraform	10s
Publish Charm	0s
Publish Charm / Publish / Generate the Charm Matrix content (bash)	8s
Publish Charm / Publish / Publish Charm (./)	7m 28s
	55m 42s

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