Use less --local_test_jobs on macOS and Windows.
Use less --local_test_jobs on macOS and Windows.

Windows seems to need this, as otherwise tests just fail all over the place.

macOS might give overall better performance, but feel free to revert this if it makes it even slower.

bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration