Migrate CI to use swiftlang / SwiftNIO common GitHub Actions. #9

Job	Run time
Soundness / Check generated code	1m 49s
Soundness / Swift license headers check	2s
Soundness / API breakage check	1m 32s
Soundness / Documentation check	1m 30s
Soundness / Unacceptable language check	4s
Soundness / License headers check	2s
Soundness / Broken symlinks check	3s
Soundness / Format check	37s
Soundness / Shell check	34s
Soundness / YAML lint check	3s
Soundness / Python lint check	7s
Cxx interop / Cxx interop / Linux (5.9)	27s
Cxx interop / Cxx interop / Linux (5.10)	27s
Cxx interop / Cxx interop / Linux (6.0)	1m 19s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 34s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 32s
Cxx interop / Cxx interop / Windows (6.0)	3s
Cxx interop / Cxx interop / Windows (nightly-6.0)	2s
Cxx interop / Cxx interop / Windows (nightly-main)	1s
Unit tests / Unit tests / Linux (5.9)	26s
Unit tests / Unit tests / Linux (5.10)	27s
Unit tests / Unit tests / Linux (6.0)	1m 20s
Unit tests / Unit tests / Linux (nightly-6.0)	1m 38s
Unit tests / Unit tests / Linux (nightly-main)	1m 23s
Unit tests / Unit tests / Windows (6.0)	3s
Unit tests / Unit tests / Windows (nightly-6.0)	3s
Unit tests / Unit tests / Windows (nightly-main)	2s
	17m 10s

Provide feedback