Support cppcheck 2.18

[amai2012]

Cppcheck 2.18 got released.

Most important change probably:
message cstyleCast was split according to the releasenotes at https://www.github.com/danmar/cppcheck/releases

[guwirth]

Hi @amai2012,

Thanks for the hint!

Can you provide a PR with the update?

Regards,