manually select mypy_primers projects

[jorenham]

Replace

scipy-stubs/.github/workflows/mypy_primer.yml

Line 66 in 3d816bf

--known-dependency-selector scipy-stubs \

with a --project-selector regex that matches all the relevant projects.

This allows us to exclude projects that don't use scipy a lot, e.g. imagehash, altair (only uses stats.f in the tests), and AutoSplit (which dropped the scipy dep recently, see hauntsaninja/mypy_primer#198)