Adding pencil decomposition for dos.x by default (#1125)

This because we risk to have too many processors and few plane waves.
The problem is also present for projwfc.x, but there is not -pd option.

src/aiidalab_qe/plugins/pdos/workchain.py

@@ -42,6 +42,7 @@ def update_resources(builder, codes):
     set_component_resources(builder.projwfc, codes.get("projwfc"))
     enable_pencil_decomposition(builder.scf.pw)
     enable_pencil_decomposition(builder.nscf.pw)
+    enable_pencil_decomposition(builder.dos)
 
     # disable the parallelization setting for projwfc
     # npool = codes["pw"]["parallelization"]["npool"]