www/rubygem-gollum-lib: Fix 644d2ef1

- Fix RUN_DEPENDS: Remove duplicate graphics/rubygem-gemojione and textproc/rubygem-github-markup
- Update version requirement of RUN_DEPENDS to match upstream
- Sort RUN_DEPENDS
- Update patch-gemspec: Update octicons after rubygem-octicons 17.0.0 update
- Rename gemspec patch to patch-gemspec
- Bump PORTREVISION for dependency and package change

PR:		260207