Bump org.assertj:assertj-bom from 3.25.3 to 3.26.3

Bumps [org.assertj:assertj-bom](https://github.com/assertj/assertj) from 3.25.3 to 3.26.3.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.25.3...assertj-build-3.26.3)

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

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

Author: dependabot[bot]

pom.xml

@@ -35,7 +35,7 @@
     <wiremock.version>2.35.0</wiremock.version>
     <testcontainers.version>1.19.8</testcontainers.version>
     <junit.version>5.10.2</junit.version>
-    <assertj.version>3.25.3</assertj.version>
+    <assertj.version>3.26.3</assertj.version>
     <awaitility.version>4.2.0</awaitility.version>
     <project.scm.id>github</project.scm.id>
   </properties>