chore(deps): update terraform juju to ~> 0.16.0 #827

Job	Run time
Publish Charm / Generate the Charm Matrix	2s
Run Tests / Integration tests (microk8s) (katib-controller)	28m 17s
Run Tests / Lint	8s
Run Tests / Test the bundle	1h 40m 43s
Run Tests / Integration tests (microk8s) (katib-db-manager)	27m 44s
Run Tests / Unit tests (katib-controller)	24s
Run Tests / Unit tests (katib-db-manager)	21s
Run Tests / Check libraries (katib-controller) / Check libraries	34s
Run Tests / Check libraries (katib-controller) / Lint	10s
Run Tests / Check libraries (katib-db-manager) / Check libraries	30s
Run Tests / Check libraries (katib-db-manager) / Lint	10s
Run Tests / Check libraries (katib-ui) / Check libraries	26s
Run Tests / Check libraries (katib-ui) / Lint	10s
Run Tests / Terraform (katib-controller) / Apply / Apply Terraform	5m 21s
Run Tests / Terraform (katib-controller) / Check / Check Terraform	9s
Run Tests / Terraform (katib-controller) / Lint / Lint Terraform	8s
Run Tests / Terraform (katib-db-manager) / Check / Check Terraform	6s
Run Tests / Terraform (katib-db-manager) / Apply / Apply Terraform	6m 9s
Run Tests / Terraform (katib-db-manager) / Lint / Lint Terraform	15s
Run Tests / Terraform (katib-ui) / Apply / Apply Terraform	5m 37s
Run Tests / Terraform (katib-ui) / Check / Check Terraform	9s
Run Tests / Terraform (katib-ui) / Lint / Lint Terraform	9s
Publish Charm / Publish Charm (./charms/katib-controller)	17m 30s
Publish Charm / Publish Charm (./charms/katib-db-manager)	17m 19s
Publish Charm / Publish Charm (./charms/katib-ui)	49m 23s
	4h 21m 54s

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