x11/wl-mirror: update to 0.11.1

Changes: https://github.com/Ferdi265/wl-mirror/releases/tag/v0.10.0
Changes: https://github.com/Ferdi265/wl-mirror/releases/tag/v0.11.0
Changes: https://github.com/Ferdi265/wl-mirror/releases/tag/v0.11.1
Reported by: GitHub (watch releases)

(cherry picked from commit 75d91993ac302f7d516efb537956d262bff8fc01)