chore(deps): Bump org.assertj:assertj-core from 3.27.4 to 3.27.6 (#1434)

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.27.4 to 3.27.6.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.27.4...assertj-build-3.27.6)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-core
  dependency-version: 3.27.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -28,7 +28,7 @@ spring-cloud-stream = "4.3.0" # not managed by spring-boot-dependencies
 [libraries]
 activemq-broker = { module = "org.apache.activemq:activemq-broker", version.ref = "activemq" }
 amqp-client = "com.rabbitmq:amqp-client:5.26.0"
-assertj-core = "org.assertj:assertj-core:3.27.4"
+assertj-core = "org.assertj:assertj-core:3.27.6"
 avro = "org.apache.avro:avro:1.12.0"
 awaitility = "org.awaitility:awaitility:4.3.0"
 commons-lang3 = "org.apache.commons:commons-lang3:3.18.0"