Test

CI: fix action's permission #81

Job	Run time
Build jupyterlite site with pixi	55s
Build static site with pixi	32s
pixi on ubuntu-latest with py311	30s
Build static site with tox	40s
pixi on ubuntu-latest with py312	27s
tox on ubuntu-latest with Python 3.12	39s
pixi on macos-latest with py311	1m 2s
tox on macos-latest with Python 3.12	45s
pixi on macos-latest with py312	1m 1s
pixi on windows-latest with py311	2m 10s
tox on windows-latest with Python 3.12	1m 56s
pixi on windows-latest with py312	1m 35s
tox on ubuntu-latest with Python 3.11 and oldest versioned dependencies	36s
tox on ubuntu-latest with Python 3.13 and developer versioned dependencies	55s
	13m 43s

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