build: bump jinja2 3.1.x -> 3.1.4 (#394) #950

Job	Run time
Run Tests / Bundle Integration	42m 7s
Run Tests / Individual charm's integration tests (controller)	26m 14s
Publish Charm / Generate the Charm Matrix	5s
Run Tests / Individual charm's integration tests (ui)	25m 23s
Run Tests / Lint Code (controller)	23s
Run Tests / Unit Test (controller)	28s
Run Tests / Lint Code (ui)	30s
Run Tests / Unit Test (ui)	38s
Run Tests / Check libraries (jupyter-controller) / Check libraries	28s
Run Tests / Check libraries (jupyter-controller) / Lint	10s
Run Tests / Check libraries (jupyter-ui) / Check libraries	43s
Run Tests / Check libraries (jupyter-ui) / Lint	8s
Publish Charm / Publish Charm (./charms/jupyter-ui)	14m 23s
Publish Charm / Publish Charm (./charms/jupyter-controller)	14m 6s
	2h 5m 46s

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