chore(lib): Update cert_handler library to v1 #1129

Job	Run time
Publish Charm / Generate the Charm Matrix	3s
Run Tests / Integration Test (1.27-strict/stable, integration)	1m 30s
Run Tests / Observability Integration Test (1.25-strict/stable)	1m 30s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-provider)	1m 31s
Run Tests / Observability Integration Test (1.26-strict/stable)	1m 29s
Run Tests / Lint Code (pilot)	24s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-secret)	1m 31s
Run Tests / Unit Test (pilot)	42s
Run Tests / Lint Code (gateway)	21s
Run Tests / Integration Test (1.30-strict/stable, integration)	1m 28s
Run Tests / Unit Test (gateway)	35s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-provider)	1m 29s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-secret)	1m 29s
Run Tests / Check libraries (istio-gateway) / Lint	12s
Run Tests / Check libraries (istio-gateway) / Check libraries	25s
Run Tests / Check libraries (istio-pilot) / Check libraries	29s
Run Tests / Check libraries (istio-pilot) / Lint	11s
Publish Charm / Publish Charm (./charms/istio-pilot)	1m 20s
Publish Charm / Publish Charm (./charms/istio-gateway)	1m 21s
	18m 0s

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