Update to 0.009
    
    - New upstream release 0.009
      - On recent Perls (5.22 and 5.24, maybe more) this module could detect an
        unused variable named "$"; this was a bogus false positive, as opposed to
        just a missing variable name in the output (GH#22)
      - Fixed tests to use File::Spec->catfile to generate paths so that tests pass
        on Windows (based on GH#20)
    - Switch to Module::Build::Tiny flow
    - BR: perl-generators