Builds pulling in Qt5 UITools from cmake are broken:

[ 48s] CMake Error at /usr/lib64/cmake/Qt5UiTools/Qt5UiToolsConfig.cmake:49 (string):
[ 48s] string sub-command REGEX, mode REPLACE needs at least 6 arguments total to
[ 48s] command.
[ 48s] Call Stack (most recent call first):
[ 48s] /usr/lib64/cmake/Qt5UiTools/Qt5UiToolsConfig.cmake:201 (_qt5_UiTools_process_prl_file)
[ 48s] /usr/lib64/cmake/Qt5/Qt5Config.cmake:28 (find_package)
[ 48s] CMakeLists.txt:15 (find_package)

It was found that reverting commit "CMake: Ignore CMAKE_CXX_STANDARD_LIBRARIES in .prl files"
ba4fdd99fff80790f764ab1ac8addd699e3101e7 https://codereview.qt-project.org/c/qt/qtbase/+/259963 in qtbase fixes it.