Update GeoModel-version.cmake
When cutting a new release, the version number should always be updated in this file (reminder to everybody).
This MR bumps the GeoModel version to 5.0.4 so that all of the libraries have the proper SONAMES.
When cutting a new release, the version number should always be updated in this file (reminder to everybody).
This MR bumps the GeoModel version to 5.0.4 so that all of the libraries have the proper SONAMES.