Bump jettison from 1.4.1 to 1.5.1 in /webapp

Bumps [jettison](https://github.com/jettison-json/jettison) from 1.4.1 to 1.5.1.
- [Release notes](https://github.com/jettison-json/jettison/releases)
- [Commits](jettison-json/jettison@jettison-1.4.1...jettison-1.5.1)

---
updated-dependencies:
- dependency-name: org.codehaus.jettison:jettison
  dependency-type: direct:production
...

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

Author: dependabot[bot]

webapp/pom.xml

@@ -66,7 +66,7 @@
 		<dependency>
 			<groupId>org.codehaus.jettison</groupId>
 			<artifactId>jettison</artifactId>
-			<version>1.4.1</version>
+			<version>1.5.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.cxf</groupId>