Migrate to GitHub Actions #1

Job	Run time
Swift 6 Language Mode	0s
Soundness / Broken symlinks check	6s
Soundness / API breakage check	1m 16s
Soundness / Documentation check	1m 2s
Soundness / License headers check	7s
Soundness / Unacceptable language check	5s
Soundness / Format check	37s
Soundness / Python lint check	6s
Soundness / Shell check	37s
Soundness / YAML lint check	3s
Cxx interop / Cxx interop / Linux (5.9)	51s
Cxx interop / Cxx interop / Linux (5.10)	43s
Cxx interop / Cxx interop / Linux (6.0)	1m 0s
Cxx interop / Cxx interop / Linux (nightly-6.0)	53s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 0s
Cxx interop / Cxx interop / Windows (6.0)	1s
Cxx interop / Cxx interop / Windows (nightly-6.0)	3s
Cxx interop / Cxx interop / Windows (nightly-main)	4s
Unit tests / Unit tests / Windows (6.0)	1s
Unit tests / Unit tests / Linux (5.9)	42s
Unit tests / Unit tests / Windows (nightly-6.0)	4s
Unit tests / Unit tests / Linux (5.10)	41s
Unit tests / Unit tests / Linux (6.0)	56s
Unit tests / Unit tests / Windows (nightly-main)	3s
Unit tests / Unit tests / Linux (nightly-6.0)	54s
Unit tests / Unit tests / Linux (nightly-main)	53s
	12m 48s

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