Bump jettison in /flex-maven-tools/flex-sdk-converter/converters/base

Bumps [jettison](https://github.com/jettison-json/jettison) from 1.3.1 to 1.5.4.
- [Release notes](https://github.com/jettison-json/jettison/releases)
- [Commits](https://github.com/jettison-json/jettison/compare/jettison-1.3.1...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/flex-maven-tools/flex-sdk-converter/converters/base/pom.xml b/flex-maven-tools/flex-sdk-converter/converters/base/pom.xml
index 644e606..9de661a 100644
--- a/flex-maven-tools/flex-sdk-converter/converters/base/pom.xml
+++ b/flex-maven-tools/flex-sdk-converter/converters/base/pom.xml
@@ -40,7 +40,7 @@
         <dependency>
             <groupId>org.codehaus.jettison</groupId>
             <artifactId>jettison</artifactId>
-            <version>1.3.1</version>
+            <version>1.5.4</version>
         </dependency>
         <dependency>
             <groupId>org.freemarker</groupId>