chore(deps): update canonical/charming-actions action to v2.6.3 #1097

Job	Run time
Publish Charm / Generate the Charm Matrix	3s
Run Tests / Integration Test (1.27-strict/stable, integration)	1h 3m 36s
Run Tests / Observability Integration Test (1.25-strict/stable)	1h 2m 11s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-provider)	59m 18s
Run Tests / Lint Code (pilot)	22s
Run Tests / Observability Integration Test (1.26-strict/stable)	1h 1m 10s
Run Tests / Unit Test (pilot)	39s
Run Tests / Integration Test (1.27-strict/stable, integration-tls-secret)	58m 2s
Run Tests / Lint Code (gateway)	22s
Run Tests / Integration Test (1.30-strict/stable, integration)	1h 0m 51s
Run Tests / Unit Test (gateway)	32s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-provider)	57m 28s
Run Tests / Integration Test (1.30-strict/stable, integration-tls-secret)	1h 2m 0s
Run Tests / Check libraries (istio-gateway) / Check libraries	22s
Run Tests / Check libraries (istio-gateway) / Lint	9s
Run Tests / Check libraries (istio-pilot) / Check libraries	34s
Run Tests / Check libraries (istio-pilot) / Lint	10s
Publish Charm / Publish Charm (./charms/istio-pilot)	39m 5s
Publish Charm / Publish Charm (./charms/istio-gateway)	29m 57s
	9h 16m 51s

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