Update dependency org.jsoup:jsoup to v1.15.3

Author: dev-mend-for-github-com[bot]

webgoat-lessons/cross-site-scripting/pom.xml

@@ -13,7 +13,7 @@
             <!-- jsoup HTML parser library @ https://jsoup.org/ -->
             <groupId>org.jsoup</groupId>
             <artifactId>jsoup</artifactId>
-            <version>1.11.3</version>
+            <version>1.15.3</version>
         </dependency>
     </dependencies>
     <build>