Update gcc, MPI and Cuda version in multi gpu tests

Fixes build error in stl_vector.h that occured when compiling on the Phoenix cluster.

The error message was:

[ 97%] Building CXX object src/gpu/core/CMakeFiles/gpu_core.dir/TurbulenceModels/TurbulenceModelFactory.cpp.o
/cluster/comp/gcc/9.3.0/include/c++/9.3.0/bits/stl_vector.h:385:48: error: ‘_Vp’ was not declared in this scope; did you mean ‘_Tp’?
  385 |   template<typename _Tp, typename _Alloc = std::allocator<_Tp> >
      |                                                ^~~
      |                                                _Tp
/cluster/comp/gcc/9.3.0/include/c++/9.3.0/bits/stl_vector.h:385:51: error: template argument 1 is invalid
  385 |   template<typename _Tp, typename _Alloc = std::allocator<_Tp> >
...

changed milestone to %0.2.0

added Refactoring Tests labels

requested review from @m.schoenherr

assigned to @a.wellmann

mentioned in commit 7cf27ba0

merged