adopt github actions #18

Job	Run time
Soundness / Documentation check	1m 13s
Soundness / Unacceptable language check	2s
Soundness / License headers check	5s
Soundness / API breakage check	0s
Soundness / Broken symlinks check	5s
Soundness / Format check	36s
Soundness / Python lint check	4s
Soundness / Shell check	37s
Soundness / YAML lint check	7s
Unit tests / Linux (5.9)	26s
Unit tests / Linux (5.10)	2m 11s
Unit tests / Windows (6.0)	2s
Unit tests / Linux (6.0)	2m 23s
Unit tests / Linux (nightly-6.0)	2m 35s
Unit tests / Windows (nightly-6.0)	2s
Unit tests / Windows (nightly-main)	3s
Unit tests / Linux (nightly-main)	2m 42s
	13m 13s

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