ci(upload-charm): use charmcraft from latest/candidate (#398) #154

Job	Run time
Run Tests / Bundle Integration	42m 0s
Run Tests / Lint Code (controller)	21s
Run Tests / Individual charm's integration tests (controller)	25m 55s
Run Tests / Lint Code (ui)	25s
Run Tests / Individual charm's integration tests (ui)	26m 13s
Run Tests / Unit Test (controller)	26s
Run Tests / Unit Test (ui)	29s
Run Tests / Check libraries (jupyter-controller) / Check libraries	25s
Run Tests / Check libraries (jupyter-controller) / Lint	11s
Run Tests / Check libraries (jupyter-ui) / Check libraries	29s
Run Tests / Check libraries (jupyter-ui) / Lint	8s
Publish Charm / Generate the Charm Matrix	3s
Publish Charm / Publish Charm (./charms/jupyter-ui)	14m 38s
Publish Charm / Publish Charm (./charms/jupyter-controller)	14m 18s
	2h 6m 1s

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