fix(deps): update dependency org.junit.jupiter:junit-jupiter to v5.13.1 (#2508)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle.properties

@@ -29,7 +29,7 @@ VER_SLF4J=[1.6,2.0[
 # Used in multiple places
 VER_DURIAN=1.2.0
 VER_JGIT=6.10.1.202505221210-r
-VER_JUNIT=5.13.0
+VER_JUNIT=5.13.1
 VER_ASSERTJ=3.27.3
 VER_MOCKITO=5.18.0
 VER_SELFIE=2.5.3

lib/src/main/java/com/diffplug/spotless/pom/SortPomCfg.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2021-2024 DiffPlug
+ * Copyright 2021-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,7 +27,7 @@ public class SortPomCfg implements Serializable {
 
 	public String lineSeparator = System.getProperty("line.separator");
 
-	public boolean expandEmptyElements = true;
+	public boolean expandEmptyElements;
 
 	public boolean spaceBeforeCloseEmptyElement = false;