seacas: require +metis and +mpi instead of +parmetis (#46205)

This change aligns the build condition for parmetis with the
depends_on condition.
The current build condition of parmetis looks for "+parmetis" in
the spec which is not added by the depends_on as that adds
"^parmetis" instead.

var/spack/repos/builtin/packages/seacas/package.py

@@ -427,7 +427,7 @@ def cmake_args(self):
             [define("TPL_ENABLE_Netcdf", True), define("NetCDF_ROOT", spec["netcdf-c"].prefix)]
         )
 
-        if "+parmetis" in spec:
+        if spec.satisfies("+metis+mpi"):
             options.extend(
                 [
                     define("TPL_ENABLE_METIS", True),