Set shacl rule to look for 4 wheels instead of 3

examples/oml/SystemDesignOntology2Layers/src/shacl/shacl.ttl

@@ -34,7 +34,7 @@ comp-shapes:Car_contains_4_Wheels_shacl
 		sh:path base:contains ;
 		sh:class comp:WheelComponent ;
 		sh:nodeKind sh:IRI ;
-		sh:minCount 3 ;
-		sh:maxCount 3 ;
+		sh:minCount 4 ;
+		sh:maxCount 4 ;
 	] ;
-	sh:closed false .
+	sh:closed false .