x11-toolkits/como: unbreak after 5871ae6a0942
CMake Error at CMakeLists.txt:130 (find_package):
Could not find a package configuration file provided by "KDecoration2" (requested version 6.0.0) with any of the following names: KDecoration2Config.cmake kdecoration2-config.cmake
(cherry picked from commit 3d2a4ef27e45e54fef0dec30cd83cb68b5ecb7bc)