Migrate to GitHub Actions #7

Job	Run time
Unit tests / Unit tests (swift:5.9-jammy, 5.9, true)	1m 16s
Unit tests / Unit tests (swift:5.10-jammy, 5.10, true)	1m 14s
Unit tests / Unit tests (swift:6.0-jammy, 6.0, true)	1m 18s
Unit tests / Unit tests (swiftlang/swift:nightly-6.0-jammy, nightly-6.0, true)	1m 38s
Benchmarks / Benchmarks (swift:5.9-jammy, 5.9, true)	3m 41s
Unit tests / Unit tests (swiftlang/swift:nightly-main-jammy, nightly-main, true)	1m 54s
Benchmarks / Benchmarks (swift:5.10-jammy, 5.10, true)	3m 25s
Benchmarks / Benchmarks (swift:6.0-jammy, 6.0, true)	3m 34s
Benchmarks / Benchmarks (swiftlang/swift:nightly-6.0-jammy, nightly-6.0, true)	4m 48s
Benchmarks / Benchmarks (swiftlang/swift:nightly-main-jammy, nightly-main, true)	5h 59m 59s
Soundness / API breakage check	1m 39s
Soundness / Broken symlinks check	5s
Soundness / Documentation check	37s
Soundness / License headers check	2m 31s
Soundness / Unacceptable language check	6s
Soundness / Format check	34s
Soundness / Shell check	38s
Soundness / Python lint check	14s
Soundness / YAML lint check	3s
Cxx interop / Cxx interop / Linux (5.9)	1m 25s
Cxx interop / Cxx interop / Windows (6.0)	3s
Cxx interop / Cxx interop / Linux (5.10)	1m 33s
Cxx interop / Cxx interop / Linux (6.0)	1m 21s
Cxx interop / Cxx interop / Windows (nightly-6.0)	3s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 48s
Cxx interop / Cxx interop / Windows (nightly-main)	2s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 44s
	6h 37m 13s

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