Follow-up cleanup of GitHub Actions migration #22

Job	Run time
Samples / Windows (6.0)	2s
Samples / Linux (5.9)	1m 27s
Samples / Windows (nightly-6.0)	2s
Samples / Linux (5.10)	1m 18s
Samples / Windows (nightly-main)	2s
Samples / Linux (6.0)	1m 38s
Samples / Linux (nightly-6.0)	1m 50s
Samples / Linux (nightly-main)	1m 51s
Soundness / API breakage check	0s
Soundness / Documentation check	1m 18s
Soundness / Unacceptable language check	2s
Soundness / Broken symlinks check	4s
Soundness / Format check	36s
Soundness / License headers check	9s
Soundness / Shell check	41s
Soundness / Python lint check	5s
Soundness / YAML lint check	9s
Unit tests / Unit tests / Linux (5.9)	1m 52s
Unit tests / Unit tests / Linux (5.10)	1m 51s
Unit tests / Unit tests / Windows (6.0)	1s
Unit tests / Unit tests / Linux (6.0)	1m 51s
Unit tests / Unit tests / Linux (nightly-6.0)	1m 55s
Unit tests / Unit tests / Linux (nightly-main)	1m 51s
Unit tests / Unit tests / Windows (nightly-6.0)	2s
Unit tests / Unit tests / Windows (nightly-main)	2s
	20m 39s

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