chore(deps): update canonical/charming-actions action to v2.6.3 #1085

Job	Run time
Publish Charm / Generate the Charm Matrix	2s
Run Tests / Observability Integration Test (1.25-strict/stable)	1h 1m 41s
Run Tests / Integration Test (1.27-strict/stable, integration)	1h 3m 50s
Run Tests / Observability Integration Test (1.26-strict/stable)	1h 0m 5s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-provider)	57m 49s
Run Tests / Lint Code (pilot)	25s
Run Tests / Unit Test (pilot)	40s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-secret)	56m 26s
Run Tests / Unit Test (gateway)	33s
Run Tests / Lint Code (gateway)	25s
Run Tests / Integration Test (1.30-strict/stable, integration)	1h 6m 20s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-provider)	1h 1m 17s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-secret)	57m 48s
Run Tests / Check libraries (istio-gateway) / Lint	10s
Run Tests / Check libraries (istio-gateway) / Check libraries	32s
Run Tests / Check libraries (istio-pilot) / Check libraries	28s
Run Tests / Check libraries (istio-pilot) / Lint	10s
Publish Charm / Publish Charm (./charms/istio-pilot)	38m 8s
Publish Charm / Publish Charm (./charms/istio-gateway)	28m 30s
	9h 15m 19s

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