Fixed missing sh:value at minListLength test

Author: HolgerKnublauch

shacl12-test-suite/tests/core/node/minListLength-001.ttl

@@ -44,6 +44,7 @@ ex:list0
           sh:resultSeverity sh:Violation ;
           sh:sourceConstraintComponent sh:MinListLengthConstraintComponent ;
           sh:sourceShape ex:ListShape ;
+          sh:value rdf:nil ;
         ] ;
       sh:result [
           rdf:type sh:ValidationResult ;