Bump gson in /data-orchestrator/data-orchestrator-messaging

Bumps [gson](https://github.com/google/gson) from 2.8.5 to 2.8.9.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/master/CHANGELOG.md)
- [Commits](https://github.com/google/gson/compare/gson-parent-2.8.5...gson-parent-2.8.9)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/data-orchestrator/data-orchestrator-messaging/pom.xml b/data-orchestrator/data-orchestrator-messaging/pom.xml
index 37abe10..b62ee8a 100644
--- a/data-orchestrator/data-orchestrator-messaging/pom.xml
+++ b/data-orchestrator/data-orchestrator-messaging/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>org.apache.airavata.data.lake</groupId>