graphics/inkscape: update to 1.4

Release notes: https://inkscape.org/doc/release_notes/1.4/Inkscape_1.4.html

Includes required corresponding math/lib2geom update to 1.4

PR: 282864
Reported by: lumiwa[at]gmail[dot]com
Reviewed by: fluffy
Differential Revision: https://reviews.freebsd.org/D47690