(backport) Feat: Create Terraform module #1207

Job	Run time
Run Tests / Unit Test (pilot)	39s
Run Tests / Unit Test (gateway)	35s
Run Tests / Integration Test (1.27-strict/stable, integration)	42m 23s
Run Tests / Observability Integration Test (1.25-strict/stable)	36m 19s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-provider)	37m 45s
Run Tests / Observability Integration Test (1.26-strict/stable)	36m 35s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-secret)	37m 58s
Run Tests / Lint Code (pilot)	22s
Run Tests / Integration Test (1.30-strict/stable, integration)	41m 38s
Publish Charm / Generate the Charm Matrix	3s
Run Tests / Lint Code (gateway)	20s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-provider)	36m 49s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-secret)	36m 4s
Run Tests / Terraform (gateway) / Lint Terraform	6s
Run Tests / Terraform (pilot) / Lint Terraform	8s
Run Tests / Check libraries (istio-gateway) / Check libraries	26s
Run Tests / Check libraries (istio-gateway) / Lint	10s
Run Tests / Check libraries (istio-pilot) / Check libraries	26s
Run Tests / Check libraries (istio-pilot) / Lint	10s
Run Tests / Terraform (gateway) / Check / Check Terraform	9s
Run Tests / Terraform (pilot) / Apply / Apply Terraform	5m 57s
Run Tests / Terraform (gateway) / Apply / Apply Terraform	6m 6s
Run Tests / Terraform (pilot) / Check / Check Terraform	4s
Publish Charm / Publish Charm (./charms/istio-gateway)	13m 52s
Publish Charm / Publish Charm (./charms/istio-pilot)	17m 18s
	5h 52m 22s

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