graphics/lunasvg: Update 3.2.1 => 3.4.0
Changelog:
- https://github.com/sammycage/lunasvg/releases/tag/v3.3.0
- https://github.com/sammycage/lunasvg/releases/tag/v3.4.0
- Exclude the vendored plutovg from extraction via EXTRACT_AFTER_ARGS in order to make sure the build always uses the system-provided library.
PR: 288842
Approved by: yuri@ (Mentor)