chore(deps): update canonical/charming-actions action to v2.6.3 #986

Job	Run time
Run Tests / Unit Test (controller)	24s
Run Tests / Unit Test (ui)	28s
Run Tests / Bundle Integration	19m 51s
Publish Charm / Generate the Charm Matrix	3s
Run Tests / Individual charm's integration tests (controller)	18m 28s
Run Tests / Lint Code (controller)	21s
Run Tests / Individual charm's integration tests (ui)	16m 24s
Run Tests / Lint Code (ui)	23s
Run Tests / Check libraries (jupyter-controller) / Check libraries	26s
Run Tests / Check libraries (jupyter-controller) / Lint	14s
Run Tests / Check libraries (jupyter-ui) / Check libraries	33s
Run Tests / Check libraries (jupyter-ui) / Lint	9s
Run Tests / Terraform (controller) / Apply / Apply Terraform	5m 24s
Run Tests / Terraform (controller) / Check / Check Terraform	7s
Run Tests / Terraform (controller) / Lint / Lint Terraform	8s
Run Tests / Terraform (ui) / Apply / Apply Terraform	4m 59s
Run Tests / Terraform (ui) / Check / Check Terraform	7s
Run Tests / Terraform (ui) / Lint / Lint Terraform	8s
Publish Charm / Publish Charm (./charms/jupyter-ui)	7m 46s
Publish Charm / Publish Charm (./charms/jupyter-controller)	7m 7s
	1h 23m 30s

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