Log Message:
cvise: update to 2.8.0.

Changes done in the release:

LLVM 16 is properly supported with bumped minimal CMake version (2f4e175)
the most beneficial passes (replace-function-def-with-decl and
replace-function-def-with-decl) take turn (after 30 transformations)
in early phases of reduction; that improves the speed of a reduction