chore(lib): Update cert_handler library to v1 #1133

Job	Run time
Publish Charm / Generate the Charm Matrix	3s
Run Tests / Observability Integration Test (1.25-strict/stable)	1h 5m 50s
Run Tests / Integration Test (1.27-strict/stable, integration)	1h 8m 43s
Run Tests / Observability Integration Test (1.26-strict/stable)	1h 3m 54s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-provider)	1h 5m 44s
Run Tests / Lint Code (pilot)	21s
Run Tests / Unit Test (pilot)	37s
Run Tests / Lint Code (gateway)	22s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-secret)	1h 2m 2s
Run Tests / Unit Test (gateway)	35s
Run Tests / Integration Test (1.30-strict/stable, integration)	1h 9m 45s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-provider)	1h 4m 55s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-secret)	1h 4m 26s
Run Tests / Check libraries (istio-gateway) / Lint	8s
Run Tests / Check libraries (istio-gateway) / Check libraries	24s
Run Tests / Check libraries (istio-pilot) / Check libraries	27s
Run Tests / Check libraries (istio-pilot) / Lint	8s
Publish Charm / Publish Charm (./charms/istio-pilot)	40m 34s
Publish Charm / Publish Charm (./charms/istio-gateway)	31m 28s
	10h 0m 26s

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