JCR-4698: webapp: update htmlunit dependency to 2.50.0

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1890766 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/jackrabbit-webapp/pom.xml b/jackrabbit-webapp/pom.xml
index 7309fb5..fd87c99 100644
--- a/jackrabbit-webapp/pom.xml
+++ b/jackrabbit-webapp/pom.xml
@@ -128,7 +128,7 @@
     <dependency>
       <groupId>net.sourceforge.htmlunit</groupId>
       <artifactId>htmlunit</artifactId>
-      <version>2.48.0</version>
+      <version>2.50.0</version>
       <scope>test</scope>
       <exclusions>
         <exclusion>