Bump org.assertj:assertj-core from 3.25.3 to 3.27.7

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.25.3 to 3.27.7.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.25.3...assertj-build-3.27.7)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-core
  dependency-version: 3.27.7
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -53,7 +53,7 @@ under the License.
 		<google-cloud-libraries-bom.version>26.37.0</google-cloud-libraries-bom.version>
 
 		<junit5.version>5.10.2</junit5.version>
-		<assertj.version>3.25.3</assertj.version>
+		<assertj.version>3.27.7</assertj.version>
 		<testcontainers.version>1.19.7</testcontainers.version>
 		<mockito.version>3.12.4</mockito.version>
 		<hamcrest.version>2.2</hamcrest.version>