build: Raise required wayland-scanner version to 1.23.0
It's needed for the deprecated-since attribute [1] introduced with [2]
[1] wayland@ee12e69b [2] 6c214e6d
Signed-off-by: Heiko Becker mail@heiko-becker.de
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It's needed for the deprecated-since attribute [1] introduced with [2]
[1] wayland@ee12e69b [2] 6c214e6d
Signed-off-by: Heiko Becker mail@heiko-becker.de