Test

Add Myst (new tech stack) workflow #48

Job	Run time
tox on ubuntu-latest with Python 3.12	41s
tox on macos-latest with Python 3.12	54s
Build static site with pixi	32s
Build and execute static site with myst	48s
tox on windows-latest with Python 3.12	2m 15s
pixi on ubuntu-latest with py311	30s
tox on ubuntu-latest with Python 3.11 and oldest versioned dependencies	40s
pixi on ubuntu-latest with py312	28s
pixi on macos-latest with py311	41s
tox on ubuntu-latest with Python 3.13 and developer versioned dependencies	1m 8s
Build static site with tox	50s
pixi on macos-latest with py312	1m 5s
pixi on windows-latest with py311	2m 20s
pixi on windows-latest with py312	1m 28s
	14m 20s

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