RegistryParser - Stream#toList() not available on older java versions

src/main/java/ch/njol/skript/classes/registry/RegistryParser.java

@@ -34,6 +34,7 @@
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * A parser based on a {@link Registry} used to parse data from a string or turn data into a string.
@@ -145,7 +146,7 @@ private void refresh() {
 	 * Note that some entries may represent the same registry object.
 	 */
 	public String getAllNames() {
-		List<String> strings = parseMap.keySet().stream().filter(s -> !s.startsWith("minecraft:")).sorted().toList();
+		List<String> strings = parseMap.keySet().stream().filter(s -> !s.startsWith("minecraft:")).sorted().collect(Collectors.toList());
 		return StringUtils.join(strings, ", ");
 	}