x11-fonts/fslsfonts: Update to 1.0.7

Update WWW and pkg-descr.
Add LICENSE.
1.0.3 and later no longer depends on libX11.

https://lists.x.org/archives/xorg-announce/2022-September/003210.html
https://lists.x.org/archives/xorg-announce/2024-December/003563.html

PR: 295996
Approved by: x11 (arrowd)
Approved by: osa (mentor)