- update to 1.424
  - Fixed header: why was it creating LFCR?
  - Normalize line endings to CRLF in body
  - Improve reliability of existing line-ending code
  - Improve tests
  - Packaging improvements
  - Update Email::Simple prereq version (CPAN RT#28520)
  - Replace Email::Date prereq with Email::Date::Format
- one buildreq per line for readability
- add module version requirements from META.yml
- add runtime dependency on perl(Email::Date::Format)
- simplify provides filter
- don't need to remove empty directories from buildroot
- don't use macros for commands
- use %{_fixperms} macro rather than our own chmod incantation
- use DESTDIR rather than PERL_INSTALL_ROOT
- make %files list more explicit
- drop %defattr, redundant since rpm 4.4
- package Changes file