Update to 0.12
    
    - New upstream release 0.12:
      - Best Practical has taken over maintainership of this module
      - Try various spellcheck programs instead of hardcoding the ancient `spell`
        (CPAN RT#56483)
      - Remove temporary files more aggressively (CPAN RT#41586)
      - Fixed by not creating them at all - instead we now use IPC::Open3
      - Remove suggestion to use broken `aspell -l` (CPAN RT#28967)
      - Add set_pod_file_filter for skipping translations, etc. (CPAN RT#63755)
      - Skip tests in all_pod_files_spelling_ok if there is no working spellchecker
      - Provide a has_working_spellchecker so you can skip your own tests if
        there's no working spellchecker
      - Switch to Module::Install
      - Rewrite and modernize a lot of the documentation
      - Decruftify code, such as by using Exporter and lexical filehandles
      - Support .plx files
    - This release by SARTAK -> update source URL
    - Rewrite hunspell patch to just favour hunspell over aspell
    - BR: perl(IPC::Open3)