Update command overrides for 6.0 nightly to be 6.1 #169

Job	Run time
Soundness / Check generated code	1m 16s
Cxx interop / Construct Cxx interop matrix	2s
Soundness / Swift license headers check	8s
Benchmarks / Construct Benchmarks matrix	3s
Unit tests / Construct unit test matrix	3s
Examples / Windows (nightly-6.0)	2s
Examples / Linux (5.9)	25s
Examples / Windows (nightly-main)	2s
Examples / Windows (6.0)	1s
Examples / Linux (5.10)	23s
Examples / Linux (6.0)	7m 39s
Examples / Linux (nightly-6.0)	3m 3s
Soundness / API breakage check	1m 10s
Soundness / Broken symlinks check	3s
Examples / Linux (nightly-main)	2m 56s
Soundness / Documentation check	1m 24s
Soundness / Format check	34s
Soundness / License headers check	6s
Soundness / Python lint check	7s
Soundness / Shell check	36s
Soundness / Unacceptable language check	2s
Soundness / YAML lint check	2s
Cxx interop / Cxx interop / Linux (6.0)	57s
Cxx interop / Cxx interop / Linux (nightly-6.1)	1m 6s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 5s
Unit tests / Unit tests / Linux (6.0)	1m 28s
Unit tests / Unit tests / Linux (nightly-6.1)	1m 53s
Unit tests / Unit tests / Linux (nightly-main)	1m 36s
Benchmarks / Benchmarks / Linux (6.0)	2m 35s
Benchmarks / Benchmarks / Linux (nightly-6.1)	3m 2s
Benchmarks / Benchmarks / Linux (nightly-main)	2m 53s
	36m 42s

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