chore(deps): bump org.assertj:assertj-core in /shenyu-e2e (#6278)

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.22.0 to 3.27.7.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-core-3.22.0...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

shenyu-e2e/pom.xml

@@ -42,7 +42,7 @@
     <properties>
         <java.version>17</java.version>
         <junit.version>5.8.2</junit.version>
-        <assertj.version>3.22.0</assertj.version>
+        <assertj.version>3.27.7</assertj.version>
         <hamcrest.version>1.3</hamcrest.version>
         <jsonassert.version>1.5.0</jsonassert.version>
         <lombok.version>1.18.24</lombok.version>