Bump jettison from 1.1 to 1.5.4 in /plugin-schema-registry

Bumps [jettison](https://github.com/jettison-json/jettison) from 1.1 to 1.5.4.
- [Release notes](https://github.com/jettison-json/jettison/releases)
- [Commits](https://github.com/jettison-json/jettison/compare/jettison-1.1...jettison-1.5.4)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/plugin-schema-registry/pom.xml b/plugin-schema-registry/pom.xml
index 50169ef..842d9f1 100644
--- a/plugin-schema-registry/pom.xml
+++ b/plugin-schema-registry/pom.xml
@@ -35,7 +35,7 @@
         <hadoop.version>3.1.1</hadoop.version>
         <jersey.version>2.22.1</jersey.version>
         <schema.registry.version>0.9.1</schema.registry.version>
-        <jettison.version>1.1</jettison.version>
+        <jettison.version>1.5.4</jettison.version>
         <servlet-api.version>3.0.1</servlet-api.version>
     </properties>