lang/neko: Update to 2.2.0

Port changes:

• Changed to DISTVERSION
• Added LICENSE_FILE
• Simplified BUILD_DEPENDS
• Added to LIB_DEPENDS
• USES=cmake:outsource
• Added USES=mysql
• Added the options APACHE UI

PR: 226183
Submitted by: Marcin Cieślak <saper@saper.info> (original version)
Submitted by: Petr Penzin <penzin.dev@gmail.com> (maintainer, accepted version)
Approved by: tcberner (mentor, implicit)