Bump axon.version from 4.8.3 to 4.9.0

Bumps `axon.version` from 4.8.3 to 4.9.0.

Updates `org.axonframework:axon-spring` from 4.8.3 to 4.9.0
- [Release notes](https://github.com/AxonFramework/AxonFramework/releases)
- [Changelog](https://github.com/AxonFramework/AxonFramework/blob/master/axon-4-api-changes.md)
- [Commits](AxonFramework/AxonFramework@axon-4.8.3...axon-4.9.0)

Updates `org.axonframework:axon-server-connector` from 4.8.3 to 4.9.0
- [Release notes](https://github.com/AxonFramework/AxonFramework/releases)
- [Changelog](https://github.com/AxonFramework/AxonFramework/blob/master/axon-4-api-changes.md)
- [Commits](AxonFramework/AxonFramework@axon-4.8.3...axon-4.9.0)

Updates `org.axonframework:axon-spring-boot-autoconfigure` from 4.8.3 to 4.9.0
- [Release notes](https://github.com/AxonFramework/AxonFramework/releases)
- [Changelog](https://github.com/AxonFramework/AxonFramework/blob/master/axon-4-api-changes.md)
- [Commits](AxonFramework/AxonFramework@axon-4.8.3...axon-4.9.0)

---
updated-dependencies:
- dependency-name: org.axonframework:axon-spring
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.axonframework:axon-server-connector
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.axonframework:axon-spring-boot-autoconfigure
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -46,7 +46,7 @@
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
         <!-- Main -->
-        <axon.version>4.8.3</axon.version>
+        <axon.version>4.9.0</axon.version>
         <spring.version>6.0.13</spring.version>
         <spring-boot.version>3.1.5</spring-boot.version>
         <!-- Database -->