Fix ci #999

Job	Run time
Build jupyterlab (no kernels)	7m 2s
Build example-bash-minimal kernel	3m 46s
Build example-c-minimal kernel	3m 38s
Build example-dotnet-csharp kernel	3m 55s
Build example-dotnet-fsharp kernel	4m 1s
Build example-elm-minimal kernel	3m 40s
Build example-go-minimal kernel	3m 35s
Build example-haskell-minimal kernel	16m 19s
Build example-javascript-minimal kernel	3m 47s
Build example-julia-minimal kernel	10m 7s
Build example-nix-minimal kernel	4m 3s
Build example-ocaml-minimal kernel	8m 31s
Build example-postgres-minimal kernel	3m 50s
Build example-python-minimal kernel	3m 40s
Build example-python-native kernel	3m 48s
Build example-python-science kernel	3m 42s
Build example-python-stable kernel	4m 57s
Build example-r-minimal kernel	3m 58s
Build example-rust-minimal kernel	4m 5s
Build example-scala-minimal kernel	4m 4s
Build example-typescript-minimal kernel	4m 40s
Build example-zsh-minimal kernel	3m 36s
Test a template	0s
Build all kernels	0s
Build docs	0s
Build devshell	0s
	1h 52m 44s

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