[data-plane]: Bump org.assertj:assertj-core in /data-plane

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.27.3 to 3.27.6.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.27.3...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]>

Author: dependabot[bot]

data-plane/pom.xml

@@ -52,7 +52,7 @@
     <slf4j.version>2.0.17</slf4j.version>
     <ch.qos.logback.version>1.5.18</ch.qos.logback.version>
     <net.logstash.logback.encoder.version>8.0</net.logstash.logback.encoder.version>
-    <assertj.version>3.27.3</assertj.version>
+    <assertj.version>3.27.6</assertj.version>
     <awaitility.version>4.2.0</awaitility.version>
     <junit.jupiter.version>5.13.2</junit.jupiter.version>
     <mockito.junit.jupiter.version>5.19.0</mockito.junit.jupiter.version>