chore(deps): update canonical/charming-actions action to v2.7.0 #1011

Job	Run time
Run Tests / Individual charm's integration tests (controller)	31m 37s
Run Tests / Lint Code (controller)	39s
Run Tests / Individual charm's integration tests (ui)	32m 20s
Run Tests / Unit Test (controller)	38s
Run Tests / Lint Code (ui)	21s
Run Tests / Unit Test (ui)	37s
Publish Charm / Generate the Charm Matrix	12s
Run Tests / Bundle Integration	33m 29s
Run Tests / Check libraries (jupyter-controller) / Lint	9s
Run Tests / Check libraries (jupyter-controller) / Check libraries	37s
Run Tests / Check libraries (jupyter-ui) / Check libraries	29s
Run Tests / Check libraries (jupyter-ui) / Lint	9s
Run Tests / Terraform (controller) / Apply / Apply Terraform	5m 7s
Run Tests / Terraform (controller) / Check / Check Terraform	9s
Run Tests / Terraform (controller) / Lint / Lint Terraform	7s
Run Tests / Terraform (ui) / Apply / Apply Terraform	5m 27s
Run Tests / Terraform (ui) / Check / Check Terraform	4s
Run Tests / Terraform (ui) / Lint / Lint Terraform	6s
Publish Charm / Publish Charm (./charms/jupyter-ui)	19m 10s
Publish Charm / Publish Charm (./charms/jupyter-controller)	18m 17s
	2h 29m 44s

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