Bump org.assertj:assertj-core from 3.27.5 to 3.27.6 (#833)

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.27.5 to 3.27.6.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.27.5...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]

pom.xml

@@ -87,7 +87,7 @@
         <version.io.cloudevents>4.0.1</version.io.cloudevents>
         <version.jakarta.validation>3.1.1</version.jakarta.validation>
         <version.jsonassert>1.5.2</version.jsonassert>
-        <version.org.assertj>3.27.5</version.org.assertj>
+        <version.org.assertj>3.27.6</version.org.assertj>
         <version.org.junit.jupiter>5.13.4</version.org.junit.jupiter>
         <version.org.mockito>5.20.0</version.org.mockito>
         <version.org.slf4j>2.0.17</version.org.slf4j>