refactor: use secret config instead of action for configuring TLS ing… #171

Job	Run time
Run Tests / Integration Test (1.25-strict/stable, integration)	39m 21s
Run Tests / Lint Code (pilot)	28s
Run Tests / Integration Test (1.25-strict/stable, integration-tls-provider)	35m 45s
Run Tests / Unit Test (pilot)	29s
Run Tests / Lint Code (gateway)	20s
Run Tests / Integration Test (1.25-strict/stable, integration-tls-secret)	36m 43s
Run Tests / Unit Test (gateway)	26s
Run Tests / Integration Test (1.26-strict/stable, integration)	39m 3s
Run Tests / Integration Test (1.26-strict/stable, integration-tls-provider)	35m 9s
Run Tests / Observability Integration Test (1.25-strict/stable)	37m 30s
Run Tests / Integration Test (1.26-strict/stable, integration-tls-secret)	35m 19s
Run Tests / Observability Integration Test (1.26-strict/stable)	38m 3s
Run Tests / Check libraries (istio-gateway) / Check libraries	5s
Run Tests / Check libraries (istio-gateway) / Lint	10s
Run Tests / Check libraries (istio-pilot) / Check libraries	30s
Run Tests / Check libraries (istio-pilot) / Lint	8s
Publish Charm / Generate the Charm Matrix	3s
Publish Charm / Publish Charm (./charms/istio-pilot)	27m 2s
Publish Charm / Publish Charm (./charms/istio-gateway)	3m 34s
	5h 30m 8s

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