Update htmlunit to 2.70.0

Closes gh-13535

Author: jzheaux

dependencies/spring-security-dependencies.gradle

@@ -37,7 +37,7 @@ dependencies {
 		api "jakarta.websocket:jakarta.websocket-api:2.1.1"
 		api "jakarta.websocket:jakarta.websocket-client-api:2.1.1"
 		api "ldapsdk:ldapsdk:4.1"
-		api "net.sourceforge.htmlunit:htmlunit:2.66.0"
+		api "net.sourceforge.htmlunit:htmlunit:2.70.0"
 		api "org.apache.directory.server:apacheds-core-entry:1.5.5"
 		api "org.apache.directory.server:apacheds-core:1.5.5"
 		api "org.apache.directory.server:apacheds-protocol-ldap:1.5.5"