Remove EXPORT_LIBRARY_DEPENDENCIES

[petricm]

Replace EXPORT_LIBRARY_DEPENDENCIES with install(EXPORT) since EXPORT_LIBRARY_DEPENDENCIES deprecated.

Affects cmakemodules/MacroGeneratePackageConfigFiles.cmake

[Zehvogel]

EXPORT_LIBRARY_DEPENDENCIES was now removed in CMake 4.0 so it is really time to do this... :(