Feat/stack pinot noir

stacks/pinot-noir/packages_stack.yaml

@@ -188,8 +188,7 @@ packages:
     - spec: '^arpack-ng +mpi'
 
   suite-sparse:
-    require:
-    - spec: '+graphblas'
+    require: ['@7.3.1', '+graphblas']
 
   tk:
     require: ['+xft', '+xss']