Add logging relation jupyter-ui (#379) #135

Job	Run time
Run Tests / Bundle Integration	16m 21s
Run Tests / Individual charm's integration tests (controller)	14m 42s
Run Tests / Lint Code (controller)	19s
Run Tests / Individual charm's integration tests (ui)	13m 11s
Run Tests / Lint Code (ui)	18s
Run Tests / Unit Test (controller)	24s
Run Tests / Unit Test (ui)	25s
Run Tests / Check libraries (jupyter-controller) / Check libraries	23s
Run Tests / Check libraries (jupyter-controller) / Lint	10s
Run Tests / Check libraries (jupyter-ui) / Check libraries	19s
Run Tests / Check libraries (jupyter-ui) / Lint	9s
Publish Charm / Generate the Charm Matrix	5s
Publish Charm / Publish Charm (./charms/jupyter-ui)	4m 13s
Publish Charm / Publish Charm (./charms/jupyter-controller)	3m 54s
	54m 53s

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