Bump org.springframework:spring-test from 5.3.27 to 6.1.1

Bumps [org.springframework:spring-test](https://github.com/spring-projects/spring-framework) from 5.3.27 to 6.1.1.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.27...v6.1.1)

---
updated-dependencies:
- dependency-name: org.springframework:spring-test
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

kafka-graphs-rest-app/pom.xml

@@ -23,7 +23,7 @@
         <jsonb-api.version>1.0</jsonb-api.version>
         <geronimo-json_1.1_spec.version>1.0</geronimo-json_1.1_spec.version>
         <commons-collections4.version>4.1</commons-collections4.version>
-        <spring.version>5.3.27</spring.version>
+        <spring.version>6.1.1</spring.version>
         <spring-boot.version>2.7.10</spring-boot.version>
     </properties>