community/weston: upgrade to 14.0.0

• 14.0.0 is a version bump from 13.0.95 with no changes
• 13.0.95 https://lists.freedesktop.org/archives/wayland-devel/2024-September/043775.html
• 13.0.94 https://lists.freedesktop.org/archives/wayland-devel/2024-August/043772.html
• 13.0.93 https://lists.freedesktop.org/archives/wayland-devel/2024-August/043761.html
• 13.0.92 https://lists.freedesktop.org/archives/wayland-devel/2024-August/043761.html
• 13.0.91 https://lists.freedesktop.org/archives/wayland-devel/2024-August/043705.html
• 13.0.3 https://lists.freedesktop.org/archives/wayland-devel/2024-June/043655.html
• 13.0.1 https://lists.freedesktop.org/archives/wayland-devel/2024-April/043575.html

Notes:

• Removed -Dlauncher-libseat=true as the option does not seem to exist anymore
• Also resolves a rebuild error (loongarch64 log) with gcc 14

SODIFF:
-usr/lib/libweston-12.so.0.0.4:    SONAME               libweston-12.so.0
+usr/lib/libweston-14.so.0.0.0:    SONAME               libweston-14.so.0