Test

Enable jupyterlite pixi tasks #59

Job	Run time
Build static site with tox	36s
Build static site with pixi	15s
tox on ubuntu-latest with Python 3.12	47s
pixi on ubuntu-latest with py311	11s
tox on macos-latest with Python 3.12	54s
pixi on ubuntu-latest with py312	12s
tox on windows-latest with Python 3.12	1m 47s
pixi on macos-latest with py311	18s
tox on ubuntu-latest with Python 3.11 and oldest versioned dependencies	41s
pixi on macos-latest with py312	18s
tox on ubuntu-latest with Python 3.13 and developer versioned dependencies	52s
pixi on windows-latest with py311	56s
pixi on windows-latest with py312	56s
	8m 43s

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