Change RUN_DEPENDS from rubygem-parslet1 to rubygem-parslet

• Bump PORTREVISION for dependency and package change

rubygem-toml 0.2.0 is compatible with rubygem-parslet 2.x.

Reference: https://github.com/jm/toml/commit/91daa0673bdc1686997a730710120882ea0ccd50