Bump org.apache.wicket:wicket-core from 9.3.0 to 9.18.0

Bumps org.apache.wicket:wicket-core from 9.3.0 to 9.18.0.

---
updated-dependencies:
- dependency-name: org.apache.wicket:wicket-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -28,7 +28,7 @@
 
 	<properties>
 		<java.version>8</java.version>
-		<wicket.version>9.3.0</wicket.version>
+		<wicket.version>9.18.0</wicket.version>
 		<jackson.version>2.12.6.1</jackson.version>
 		<junit.jupiter.version>5.6.2</junit.jupiter.version>