[CI] Optional expensive tests.
This adds builds that runs expensive tests, including Vc on a runner with at least AVX. The build is allowed to fail to compensate for the possibility of no suitable runner being available.
Edited by Jö Fahlke
This adds builds that runs expensive tests, including Vc on a runner with at least AVX. The build is allowed to fail to compensate for the possibility of no suitable runner being available.