Add tests for the Swift snippets workflows #304

Job	Run time
Test / Windows (5.9 - windows-2022)	10m 10s
Test / Linux (5.8 - jammy)	2m 52s
Test / Windows (6.0 - windows-2022)	9m 41s
Test / Linux (5.9 - jammy)	3m 12s
Test / Windows (nightly-6.0 - windows-2019)	15m 31s
Test / Linux (5.10 - jammy)	3m 2s
Test / Linux (6.0 - jammy)	4m 11s
Test / Linux (nightly-6.0 - jammy)	4m 16s
Soundness / API breakage check	0s
Soundness / Documentation check	0s
Soundness / Broken symlinks check	5s
Soundness / Format check	0s
Soundness / License headers check	0s
Soundness / Python lint check	6s
Soundness / Shell check	37s
Soundness / Unacceptable language check	3s
Soundness / YAML lint check	4s
	53m 50s

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