Adding newer gromacs with newer plumed to get drr working

stacks/pinot-noir/definitions_stack.yaml

@@ -257,7 +257,7 @@ definitions:
       - cgal
       - cp2k ++mpi +plumed +openmp smm=blas
       - fenics-dolfinx
-      - gromacs ++mpi +plumed
+      - gromacs@2024.3 ++mpi +plumed
       - iq-tree@1.6.12++mpi
       - lammps
       - neuron ++mpi +python

stacks/pinot-noir/packages_stack.yaml

@@ -280,6 +280,7 @@ packages:
 
   plumed:
     require: ['optional_modules=all', '+gsl', '+mpi']
+    prefer: ['@2.9.0'] # to not reinstall new versions of all dependents
 
   python:
     require: