spglib: fix libs property for some multilib distros (#22956)

on multilib distros with lib/lib64 (rather than lib32/lib) the library ends up in a dir lib64/ instead of lib/, breaking the libs property (and the cp2k+spglib build)

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

@@ -39,5 +39,5 @@ class Spglib(CMakePackage):
 
     @property
     def libs(self):
-        return find_libraries(['libsymspg'], root=self.prefix.lib,
-                              recursive=False)
+        return find_libraries('libsymspg', root=self.prefix,
+                              shared=True, recursive=True)