Enable RawSyntax validation and alternate token introspection in GitHub Actions #27

Job	Run time
Test / Linux (5.8 - jammy)	21m 53s
Test / Linux (5.9 - jammy)	22m 19s
Test / Windows (5.9 - windows-2022)	21m 53s
Test / Linux (5.10 - jammy)	22m 7s
Test / Windows (6.0 - windows-2022)	19m 24s
Test / Linux (6.0 - jammy)	21m 39s
Test / Windows (nightly - windows-2019)	15m 57s
Test / Linux (nightly-main - jammy)	22m 24s
Test / Windows (nightly-6.1 - windows-2019)	14m 43s
Test / Linux (nightly-6.1 - jammy)	21m 37s
Soundness / API breakage check	3m 10s
Soundness / Broken symlinks check	3s
Soundness / Documentation check	0s
Soundness / License headers check	10s
Soundness / Unacceptable language check	2s
Soundness / Format check	0s
Soundness / Python lint check	8s
Soundness / Shell check	31s
Soundness / YAML lint check	4s
	3h 28m 4s

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