graphics/wayland-protocols: update to 1.26

Changes: https://lists.freedesktop.org/archives/wayland-devel/2022-July/042270.html
PR: 265102
Reported by: Phoronix, Repology
Approved by: manu

(cherry picked from commit 72bc749d496116ea77e9f4ec831c37a4ca172a38)