Merge pull request #2526 from MaxSagebaum/feature/cpp_version_increase

cpp version increase for CoDiPack

Author: pcarruscag

meson.build

@@ -6,7 +6,7 @@ project('SU2', 'c', 'cpp',
         default_options: ['buildtype=release',
                           'warning_level=0',
                           'c_std=c99',
-                          'cpp_std=c++11'])
+                          'cpp_std=c++17'])
 
 fsmod = import('fs')
 if not fsmod.exists('su2preconfig.timestamp')