try can use automatic resource management

Author: Vincent Potucek

impl/maven-cli/src/main/java/org/apache/maven/cling/invoker/CommonsCliOptions.java

@@ -36,6 +36,7 @@
 import org.apache.maven.api.cli.ParserRequest;
 import org.apache.maven.jline.MessageUtils;
 
+import static java.lang.System.lineSeparator;
 import static java.util.Objects.requireNonNull;
 import static org.apache.maven.cling.invoker.CliUtils.toMap;
 
@@ -472,7 +473,7 @@ public void displayHelp(String command, Consumer<String> pw) {
 
             pw.accept("");
 
-            for (String s : getStringWriter(command, formatter, width).toString().split(System.lineSeparator())) {
+            for (String s : getStringWriter(command, formatter, width).toString().split(lineSeparator())) {
                 pw.accept(s);
             }
         }
@@ -484,11 +485,11 @@ private StringWriter getStringWriter(String command, HelpFormatter formatter, in
                         writer,
                         width,
                         commandLineSyntax(command),
-                        System.lineSeparator() + "Options:",
+                        lineSeparator() + "Options:",
                         options,
                         HelpFormatter.DEFAULT_LEFT_PAD,
                         HelpFormatter.DEFAULT_DESC_PAD,
-                        System.lineSeparator(),
+                        lineSeparator(),
                         false);
             }
             return sw;