Migrate to GitHub Actions #3

Job	Run time
Swift 6 Language Mode	0s
Integration test / Linux (5.9)	1m 16s
Integration test / Linux (5.10)	1m 17s
Integration test / Linux (6.0)	1m 16s
Integration test / Linux (nightly-6.0)	1m 16s
Integration test / Linux (nightly-main)	1m 17s
Integration test / Windows (6.0)	1s
Integration test / Windows (nightly-6.0)	3s
Integration test / Windows (nightly-main)	3s
Soundness / API breakage check	1m 19s
Soundness / Documentation check	1m 20s
Soundness / Unacceptable language check	3s
Soundness / License headers check	4s
Soundness / Broken symlinks check	4s
Soundness / Format check	36s
Soundness / Shell check	39s
Soundness / YAML lint check	3s
Soundness / Python lint check	4s
Unit tests / Unit tests / Linux (5.9)	1m 17s
Unit tests / Unit tests / Linux (5.10)	1m 18s
Unit tests / Unit tests / Linux (6.0)	1m 18s
Unit tests / Unit tests / Linux (nightly-6.0)	1m 18s
Unit tests / Unit tests / Linux (nightly-main)	1m 18s
Unit tests / Unit tests / Windows (6.0)	1s
Unit tests / Unit tests / Windows (nightly-6.0)	4s
Unit tests / Unit tests / Windows (nightly-main)	3s
Cxx interop / Cxx interop / Linux (5.9)	1m 18s
Cxx interop / Cxx interop / Linux (5.10)	1m 18s
Cxx interop / Cxx interop / Linux (6.0)	1m 19s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 18s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 18s
Cxx interop / Cxx interop / Windows (6.0)	1s
Cxx interop / Cxx interop / Windows (nightly-6.0)	3s
Cxx interop / Cxx interop / Windows (nightly-main)	3s
	23m 56s

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