Disable warnings as errors on Swift 6 and main #135

Job	Run time
Benchmarks / 5.8	2m 36s
Benchmarks / 5.9	3m 44s
Benchmarks / 5.10	3m 43s
Benchmarks / nightly-6.0	4m 49s
Benchmarks / nightly-main	5m 2s
Integration tests / 5.8	13m 9s
Integration tests / 5.9	14m 34s
Integration tests / 5.10	14m 19s
Integration tests / nightly-6.0	16m 45s
Integration tests / nightly-main	17m 36s
Cxx interop / 5.8	1m 1s
Unit tests / 5.8	3m 3s
Cxx interop / 5.9	1m 13s
Unit tests / 5.9	3m 21s
Cxx interop / 5.10	1m 4s
Unit tests / 5.10	3m 19s
Cxx interop / nightly-6.0	1m 52s
Unit tests / nightly-6.0	4m 7s
Cxx interop / nightly-main	1m 42s
Unit tests / nightly-main	4m 14s
Soundness / API breakage check	2m 30s
Soundness / Broken symlinks check	2s
Soundness / Documentation check	2m 7s
Soundness / Format check	0s
Soundness / License headers check	10s
Soundness / Unacceptable language check	2s
	2h 6m 4s

Provide feedback