Migrate CI to use swiftlang / SwiftNIO common GitHub Actions. #10

Job	Run time
Soundness / Swift license headers check	8s
Soundness / Check generated code	2m 1s
Soundness / API breakage check	1m 38s
Soundness / Documentation check	1m 31s
Soundness / Unacceptable language check	4s
Soundness / Broken symlinks check	2s
Soundness / License headers check	4s
Soundness / Format check	36s
Soundness / Python lint check	7s
Soundness / Shell check	36s
Soundness / YAML lint check	3s
Cxx interop / Cxx interop / Windows (6.0)	4s
Cxx interop / Cxx interop / Windows (nightly-6.0)	3s
Cxx interop / Cxx interop / Linux (5.9)	27s
Cxx interop / Cxx interop / Windows (nightly-main)	1s
Cxx interop / Cxx interop / Linux (5.10)	26s
Cxx interop / Cxx interop / Linux (6.0)	1m 23s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 36s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 39s
Unit tests / Unit tests / Linux (5.9)	27s
Unit tests / Unit tests / Linux (5.10)	26s
Unit tests / Unit tests / Linux (6.0)	1m 18s
Unit tests / Unit tests / Linux (nightly-6.0)	1m 36s
Unit tests / Unit tests / Linux (nightly-main)	1m 24s
Unit tests / Unit tests / Windows (6.0)	3s
Unit tests / Unit tests / Windows (nightly-6.0)	1s
Unit tests / Unit tests / Windows (nightly-main)	3s
	17m 47s

Provide feedback