x11-servers/xwayland-devel: update to 21.0.99.1.439

Changes: https://gitlab.freedesktop.org/xorg/xserver/-/compare/ba644a64a...26ef545b3
Security: CVE-2023-1393
(cherry picked from commit f3b6cfcaa96240335e8c343a90bcbfa3ff7534c7)
(cherry picked from commit e55bcc4a59683af0d6ed32fbb7e297c1e3167f88)
(cherry picked from commit e3604aca0e20fd13e0c9b862c7e012017b369c07)
(cherry picked from commit 7d100ce224caea121c3bb70cbe7cb5edee4f233f)
(cherry picked from commit 2811c4b8b8ac2e4d1fdef3c37b2354213b743dc2)
(cherry picked from commit dda824e4ff877d73d26ab2947645ea11887c1209)
(cherry picked from commit 4692fdcf03f9b72cc1deffa856c22e1be5658c3b)
(cherry picked from commit 43a3c1e23f8934c8359c072cbab37246b78ffad9)
(cherry picked from commit 58b34607776790b9dc43e905211557fcdc5f6cd2)