Update to nekohtml:1.9.22

Fixes gh-8270

openid/openid.gradle

@@ -20,5 +20,5 @@ dependencies {
 	provided "javax.servlet:javax.servlet-api:$servletApiVersion"
 
 	runtime 'org.apache.httpcomponents:httpclient:4.2.5',
-			'net.sourceforge.nekohtml:nekohtml:1.9.20'
+			'net.sourceforge.nekohtml:nekohtml:1.9.22'
 }

samples/javaconfig/openid/build.gradle

@@ -23,5 +23,5 @@ dependencies {
 	runtime "opensymphony:sitemesh:2.4.2",
 			"cglib:cglib-nodep:$cglibVersion",
 			'ch.qos.logback:logback-classic:0.9.30',
-			"net.sourceforge.nekohtml:nekohtml:1.9.10"
-}
+			"net.sourceforge.nekohtml:nekohtml:1.9.22"
+}