chore(deps): update dependency ubuntu to v24 #971

Job	Run time
Run Tests / Individual charm's integration tests (controller)	40s
Run Tests / Individual charm's integration tests (ui)	42s
Publish Charm / Generate the Charm Matrix	3s
Run Tests / Bundle Integration	51s
Run Tests / Lint Code (controller)	16s
Run Tests / Unit Test (controller)	22s
Run Tests / Lint Code (ui)	20s
Run Tests / Unit Test (ui)	26s
Run Tests / Check libraries (jupyter-controller) / Check libraries	28s
Run Tests / Check libraries (jupyter-controller) / Lint	9s
Run Tests / Check libraries (jupyter-ui) / Check libraries	25s
Run Tests / Check libraries (jupyter-ui) / Lint	13s
Run Tests / Terraform (controller) / Lint Terraform	7s
Run Tests / Terraform (ui) / Lint Terraform	7s
Run Tests / Terraform (controller) / Apply / Apply Terraform	6m 7s
Run Tests / Terraform (controller) / Check / Check Terraform	6s
Run Tests / Terraform (ui) / Apply / Apply Terraform	6m 20s
Run Tests / Terraform (ui) / Check / Check Terraform	6s
Publish Charm / Publish Charm (./charms/jupyter-controller)	40s
Publish Charm / Publish Charm (./charms/jupyter-ui)	41s
	19m 9s

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