chore(deps): bump org.assertj:assertj-core from 2.6.0 to 3.27.7 in /java

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 2.6.0 to 3.27.7.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-core-2.6.0...assertj-build-3.27.7)

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

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

Author: dependabot[bot]

java/pom.xml

@@ -60,7 +60,7 @@
         <future-coverter-java8-guava.version>1.2.0</future-coverter-java8-guava.version>
 
         <junit.version>4.13.2</junit.version>
-        <assertj-core.version>2.6.0</assertj-core.version>
+        <assertj-core.version>3.27.7</assertj-core.version>
         <mockito-core.version>3.10.0</mockito-core.version>
         <awaitility.version>4.1.0</awaitility.version>
         <bcpkix.version>1.77</bcpkix.version>