wicket 9.4.0

with update to wicketstuff's gae page storage

Author: Sven Meier

pom.xml

@@ -18,8 +18,8 @@
 	</licenses>
 
 	<properties>
-		<wicket.version>9.3.0</wicket.version>
-		<wicketstuff.version>9.3.0</wicketstuff.version>
+		<wicket.version>9.4.0</wicket.version>
+		<wicketstuff.version>9.4.0</wicketstuff.version>
 		<jetty.version>9.4.41.v20210516</jetty.version>
 		<slf4j.version>1.7.25</slf4j.version>
 		<log4j.version>1.2.17</log4j.version>