chore(deps): bump jupyter-server from 1.21.0 to 2.7.2 in /modules/kernels/elm #889

Job	Run time
Build jupyterlab (no kernels)	3m 59s
Build example-bash-minimal kernel	58s
Build example-c-minimal kernel	43s
Build example-elm-minimal kernel	56s
Build example-go-minimal kernel	52s
Build example-haskell-minimal kernel	17m 15s
Build example-javascript-minimal kernel	53s
Build example-julia-minimal kernel	1m 39s
Build example-nix-minimal kernel	3m 29s
Build example-ocaml-minimal kernel	4m 31s
Build example-postgres-minimal kernel	2m 20s
Build example-python-minimal kernel	1m 3s
Build example-python-science kernel	21m 11s
Build example-python-stable kernel	5m 24s
Build example-r-minimal kernel	3m 14s
Build example-rust-minimal kernel	1m 26s
Build example-scala-minimal kernel	1m 54s
Build example-typescript-minimal kernel	1m 21s
Build example-zsh-minimal kernel	58s
Build devshell	0s
Test a template	0s
Build docs	0s
Build all kernels	0s
	1h 14m 6s

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