CI use 6.1 nightlies #126

Job	Run time
Soundness / Swift license headers check	5s
Cxx Interop / Construct Cxx interop matrix	3s
Unit Tests / Construct unit test matrix	3s
Integration Tests / Linux (5.9)	22s
Integration Tests / Linux (5.10)	23s
Integration Tests / Windows (6.0)	3s
Integration Tests / Linux (6.0)	5m 51s
Integration Tests / Windows (nightly-6.0)	1s
Integration Tests / Linux (nightly-6.0)	3m 3s
Integration Tests / Windows (nightly-main)	2s
Integration Tests / Linux (nightly-main)	3m 3s
Soundness / API breakage check	3m 28s
Soundness / Broken symlinks check	5s
Soundness / Documentation check	2m 55s
Soundness / License headers check	5s
Soundness / Unacceptable language check	2s
Soundness / Format check	32s
Soundness / Python lint check	5s
Soundness / Shell check	33s
Soundness / YAML lint check	2s
Cxx Interop / Cxx interop / Linux (6.0)	2m 11s
Cxx Interop / Cxx interop / Linux (nightly-6.1)	2m 31s
Unit Tests / Unit tests / Linux (6.0)	2m 55s
Cxx Interop / Cxx interop / Linux (nightly-main)	2m 27s
Unit Tests / Unit tests / Linux (nightly-6.1)	3m 10s
Unit Tests / Unit tests / Linux (nightly-main)	3m 4s
	37m 4s

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