[CI] Pull Request testing support via GitHub Actions #2

Job	Run time
Test / Windows (5.9 - windows-2022)	43m 23s
Test / Linux (5.8 - jammy)	22m 45s
Test / Windows (6.0 - windows-2022)	31m 2s
Test / Windows (nightly - windows-2022)	29m 35s
Test / Linux (5.9 - jammy)	21m 52s
Test / Windows (nightly-6.0 - windows-2022)	33m 0s
Test / Linux (5.10 - jammy)	21m 16s
Test / Linux (6.0 - jammy)	20m 44s
Test / Linux (nightly-main - jammy)	19m 18s
Test / Linux (nightly-6.0 - jammy)	20m 33s
Soundness / API breakage check	1m 15s
Soundness / Documentation check	1m 9s
Soundness / Unacceptable language check	9s
Soundness / License headers check	0s
Soundness / Broken symlinks check	3s
Soundness / Format check	4m 44s
Soundness / Shell check	39s
Soundness / YAML lint check	8s
Soundness / Python lint check	7s
	4h 31m 42s

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