- Add backported security patches:
* CVE-2023-38552 bsc#1216272 CVE-2023-38552-node-integrity-checks-according-to-policies.patch
* CVE-2023-39333 bsc#1216273 CVE-2023-39333-node-create_dynamic_module-code-injection.patch
* CVE-2023-45143 bsc#1216205 CVE-2023-45143-undici-cookie-leakage.patch
- Build against Wayland 21 also on Leap 15.4 now that it's available
* drop wayland-WL-SINCE-VERSION.patch
* drop wayland_data_drag_controller-WL_SURFACE_OFFSET_SINCE_VERSION.patch