Adopt swift-format #149

Job	Run time
Integration tests / 5.8	2m 15s
Integration tests / 5.9	2m 16s
Integration tests / 5.10	2m 15s
Integration tests / nightly-6.0	2m 16s
Integration tests / nightly-main	2m 16s
Benchmarks / 5.8	2m 24s
Cxx interop / 5.8	1m 1s
Benchmarks / 5.9	2m 25s
Unit tests / 5.8	2m 24s
Cxx interop / 5.9	1m 6s
Benchmarks / 5.10	2m 25s
Unit tests / 5.9	2m 29s
Cxx interop / 5.10	1m 10s
Benchmarks / nightly-6.0	2m 25s
Unit tests / 5.10	2m 22s
Cxx interop / nightly-6.0	1m 46s
Benchmarks / nightly-main	2m 25s
Unit tests / nightly-6.0	2m 24s
Cxx interop / nightly-main	2m 6s
Unit tests / nightly-main	2m 24s
Soundness / Broken symlinks check	5s
Soundness / API breakage check	2m 25s
Soundness / Documentation check	2m 2s
Soundness / Format check	46s
Soundness / License headers check	8s
Soundness / Unacceptable language check	2s
	48m 2s

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