* CI: drop insecure curl, add downstreams, simplify

* Use conda for pylint, don't install mpi4py

* Drop pytential from downstream CI

* Move array context functionality over from meshmode

Co-authored-by: Alex Fikl <alexfikl@gmail.com>

* Drop sphinx version requirement

* Fix replica DOFArray in tests for pylint

Co-authored-by: Alex Fikl <alexfikl@gmail.com>