Lots of DeprecationWarnings when using boxtree
Eg: https://gitlab.tiker.net/inducer/pytential/-/jobs/62061
Looks like at least two causes: loopy and pyopencl.
pyopencl!47 (merged) lets us handle the pyopencl deprecation warnings relatively easily, though it should also be possible without it if necessary.
Edited by Matt Wala