archivers/rpm4: update to 4.18.1
Major changes:
Preserve packages bit-by-bit again when adding and then removing signatures Fix install of block and character special files Disable debuginfod server lookups during package builds Plugin fixes (fapolicyd and selinux) Various OpenPGP and macro parser fixes
Remove html documentation for librpm
Cleanup/reorder Makefile to make linter happy
Full changelog: https://rpm.org/wiki/Releases/4.18.1