textproc/rubygem-asciidoctor-pdf: Update to 2.3.13

• Update WWW
• Fix gemspec for rubygem-prawn-svg 0.34.0 update
• Fix af747c350b9477460c7d606dc0a2a801ce803663
  • Fix version requirement of RUN_DEPENDS
  • Rename patch files

Changes: https://github.com/asciidoctor/asciidoctor-pdf/releases