CI use 6.1 nightlies #127

Job	Run time
Soundness / Swift license headers check	6s
Cxx Interop / Construct Cxx interop matrix	5s
Unit Tests / Construct unit test matrix	2s
Integration Tests / Linux (5.9)	23s
Integration Tests / Windows (6.0)	1s
Integration Tests / Linux (5.10)	22s
Integration Tests / Linux (6.0)	5m 38s
Integration Tests / Windows (nightly-6.0)	1s
Integration Tests / Linux (nightly-6.0)	3m 12s
Soundness / API breakage check	3m 23s
Integration Tests / Windows (nightly-main)	1s
Integration Tests / Linux (nightly-main)	3m 6s
Soundness / Documentation check	2m 47s
Soundness / Unacceptable language check	5s
Soundness / Broken symlinks check	2s
Soundness / Format check	37s
Soundness / License headers check	2s
Soundness / Shell check	30s
Soundness / Python lint check	6s
Soundness / YAML lint check	3s
Unit Tests / Unit tests / Linux (6.0)	3m 2s
Unit Tests / Unit tests / Linux (nightly-6.1)	3m 18s
Unit Tests / Unit tests / Linux (nightly-main)	3m 3s
Cxx Interop / Cxx interop / Linux (6.0)	2m 8s
Cxx Interop / Cxx interop / Linux (nightly-6.1)	2m 29s
Cxx Interop / Cxx interop / Linux (nightly-main)	2m 32s
	37m 4s

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