Merge pull request #2884 from heplesser/hike-cmake-version

Hike minimum required CMake version to 3.19

CMakeLists.txt

@@ -17,9 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with NEST.  If not, see <http://www.gnu.org/licenses/>
 
-# Version range from minimum required (3.12 for macOS OpenMP)
-# up to newest version tested, see https://cliutils.gitlab.io/modern-cmake/chapters/basics.html
-cmake_minimum_required( VERSION 3.12...3.16 )
+cmake_minimum_required( VERSION 3.19 )
 
 # add cmake modules: for all `include(...)` first look here
 list( APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake )