Fix typos found by running codespell
on the repository.
lol my pr getting scooped haha; if you fix the libcusparse
typo, i can fully close my pr (#553).
@emergenz I fixed the libcusparse
typo in e00ff35.
@khatwanimohit can you land this (including continuous spell checking)?
including continuous spell checking
codespell also works with pre-commit.