chore: fix unique members namespace

Author: jeswr

shacl12-test-suite/tests/core/property/uniqueMembers-001.ttl

@@ -1,5 +1,5 @@
 @prefix dash: <http://datashapes.org/dash#> .
-@prefix ex: <http://datashapes.org/sh/tests/core/property/qualifiedValueShapesDisjoint-001.test#> .
+@prefix ex: <http://datashapes.org/sh/tests/core/property/uniqueMembers-001.test#> .
 @prefix mf: <http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#> .
 @prefix owl: <http://www.w3.org/2002/07/owl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .