Add flags to Options #357

Job	Run time
mpi-runner	1m 30s
Address sanitizer	1m 23s
conda (ubuntu, conda-forge, stable)	52s
rustfmt	1m 3s
conda (windows, conda-forge, stable)	2m 49s
static builds (ubuntu-latest, stable)	1m 31s
test apt (stable)	39s
conda (macos, conda-forge, stable)	1m 5s
static builds (windows-latest, stable-msvc)	5m 37s
test apt (beta)	45s
static builds (windows-latest, stable-gnu)	6m 0s
test apt (nightly)	43s
static builds (macos-12, stable)	2m 52s
static builds (macos-latest, stable)	1m 42s
	28m 31s

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