chore(deps): 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:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -109,7 +109,7 @@
 
     <!-- Testing versions -->
     <junit.version>5.10.3</junit.version>
-    <assertj.core.version>3.26.0</assertj.core.version>
+    <assertj.core.version>3.26.3</assertj.core.version>
     <awaitility.version>4.2.1</awaitility.version>
     <approvaltests.version>24.2.0</approvaltests.version>
     <keycloak.version>25.0.1</keycloak.version><!-- Used by CRD Generator integration tests for verifications -->