Bump org.axonframework.extensions.mongo:axon-mongo from 4.8.0 to 4.9.0

Bumps [org.axonframework.extensions.mongo:axon-mongo](https://github.com/AxonFramework/extension-mongo) from 4.8.0 to 4.9.0.
- [Release notes](https://github.com/AxonFramework/extension-mongo/releases)
- [Commits](AxonFramework/extension-mongo@axon-mongo-4.8.0...axon-mongo-4.9.0)

---
updated-dependencies:
- dependency-name: org.axonframework.extensions.mongo:axon-mongo
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -28,7 +28,7 @@
 
         <!-- Study case libraries -->
         <axon.version>4.8.3</axon.version>
-        <axon-mongo.version>4.8.0</axon-mongo.version>
+        <axon-mongo.version>4.9.0</axon-mongo.version>
         <axon-spring-boot-starter.version>${axon.version}</axon-spring-boot-starter.version>
         <axon-mongo.version>4.2</axon-mongo.version>
         <versions-maven-plugin.version>2.16.1</versions-maven-plugin.version>