x11/x11perf: Update to 1.7.0
Add WWW and update pkg-descr.
https://lists.x.org/archives/xorg-announce/2022-October/003242.html
https://lists.x.org/archives/xorg-announce/2024-August/003526.html
PR: 288071
Approved by: x11 (arrowd)
Approved by: osa (mentor)