update test libraries (#657)

Author: elharo

pom.xml

@@ -214,12 +214,12 @@
       <dependency>
         <groupId>org.xmlunit</groupId>
         <artifactId>xmlunit-core</artifactId>
-        <version>2.9.0</version>
+        <version>2.9.1</version>
       </dependency>
       <dependency>
         <groupId>net.sourceforge.htmlunit</groupId>
         <artifactId>htmlunit</artifactId>
-        <version>2.57.0</version>
+        <version>2.70.0</version>
       </dependency>
       <dependency>
         <!-- used in the unit tests and maven-shared-utils:3.3.4 -->
@@ -312,7 +312,7 @@
       <dependency>
         <groupId>org.assertj</groupId>
         <artifactId>assertj-core</artifactId>
-        <version>3.23.1</version>
+        <version>3.24.2</version>
       </dependency>
       <dependency>
         <groupId>com.google.code.findbugs</groupId>