ci(track): bump upload-charm action to 2.6.2 #1022

Job	Run time
Publish Charm / Generate the Charm Matrix	3s
Run Tests / Observability Integration Test (1.25-strict/stable)	26m 9s
Run Tests / Integration Test (1.25-strict/stable, integration)	26m 56s
Run Tests / Observability Integration Test (1.26-strict/stable)	26m 13s
Run Tests / Integration Test (1.25-strict/stable, integration-tls-provider)	26m 54s
Run Tests / Lint Code (pilot)	23s
Run Tests / Integration Test (1.25-strict/stable, integration-tls-secret)	26m 52s
Run Tests / Unit Test (pilot)	44s
Run Tests / Lint Code (gateway)	34s
Run Tests / Unit Test (gateway)	43s
Run Tests / Integration Test (1.26-strict/stable, integration)	26m 51s
Run Tests / Integration Test (1.26-strict/stable, integration-tls-provider)	26m 33s
Run Tests / Integration Test (1.26-strict/stable, integration-tls-secret)	26m 56s
Run Tests / Check libraries (istio-gateway) / Check libraries	3s
Run Tests / Check libraries (istio-gateway) / Lint	14s
Run Tests / Check libraries (istio-pilot) / Check libraries	25s
Run Tests / Check libraries (istio-pilot) / Lint	11s
Publish Charm / Publish Charm (./charms/istio-pilot)	18m 5s
Publish Charm / Publish Charm (./charms/istio-gateway)	3m 19s
	3h 58m 8s

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