chore(deps): bump org.axonframework:axon-bom from 4.6.6 to 4.8.3

Bumps [org.axonframework:axon-bom](https://github.com/AxonFramework/axon-bom) from 4.6.6 to 4.8.3.
- [Release notes](https://github.com/AxonFramework/axon-bom/releases)
- [Commits](AxonFramework/axon-bom@axon-4.6.6...axon-4.8.3)

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

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

bom/parent/pom.xml

@@ -20,7 +20,7 @@
   <properties>
     <springboot.version>2.7.15</springboot.version>
     <camunda-commons-typed-values.version>7.19.0</camunda-commons-typed-values.version>
-    <axon-bom.version>4.6.6</axon-bom.version>
+    <axon-bom.version>4.8.3</axon-bom.version>
     <axon-kotlin.version>4.7.0</axon-kotlin.version>
     <axon-gateway-extension.version>1.1.2</axon-gateway-extension.version>