build: bump jinja2 3.1.x -> 3.1.4 #653

Job	Run time
Run Tests / Get integration environments	4s
Run Tests / Lint Check	15s
Publish Charm / Generate the Charm Matrix	3s
Run Tests / Unit Test	22s
Run Tests / Check libraries / Lint	9s
Run Tests / Check libraries / Check libraries	28s
Publish Charm / Publish Charm (./)	16m 12s
Run Tests / Integration Test (build and deploy) (seldon-servers-integration -- -k mlflowserver-v1)	29m 59s
Run Tests / Integration Test (build and deploy) (seldon-servers-integration -- -k mlflowserver-v2)	28m 43s
Run Tests / Integration Test (build and deploy) (seldon-servers-integration -- -k xgboost-v1)	28m 5s
Run Tests / Integration Test (build and deploy) (seldon-servers-integration -- -k huggingface)	29m 40s
Run Tests / Integration Test (build and deploy) (seldon-servers-integration -- -k sklearn-v2)	29m 45s
Run Tests / Integration Test (build and deploy) (seldon-servers-integration -- -k tensorflow)	27m 40s
Run Tests / Integration Test (build and deploy) (seldon-servers-integration -- -k xgboost-v2)	30m 10s
Run Tests / Integration Test (build and deploy) (seldon-servers-integration -- -k tf-serving)	27m 34s
Run Tests / Integration Test (build and deploy) (seldon-servers-integration -- -k sklearn-v1)	27m 33s
Run Tests / Integration Test (build and deploy) (charm-integration --)	34m 2s
	5h 10m 44s

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