Bump org.assertj:assertj-core from 3.26.0 to 3.26.3

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.26.0 to 3.26.3.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.26.0...assertj-build-3.26.3)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-core
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -19,7 +19,7 @@
 
         <rabbitmq.client.version>5.21.0</rabbitmq.client.version>
 
-        <assertj.version>3.26.0</assertj.version>
+        <assertj.version>3.26.3</assertj.version>
         <mockito.version>5.12.0</mockito.version>
         <micrometer.version>1.13.2</micrometer.version>
         <spring-rabbit.version>3.1.6</spring-rabbit.version>