Bump junit-bom from 5.6.2 to 5.9.2

Bumps [junit-bom](https://github.com/junit-team/junit5) from 5.6.2 to 5.9.2.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.6.2...r5.9.2)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

graphql-spring-boot-sample/pom.xml

@@ -57,7 +57,7 @@
             <dependency>
                 <groupId>org.junit</groupId>
                 <artifactId>junit-bom</artifactId>
-                <version>5.6.2</version>
+                <version>5.9.2</version>
                 <scope>import</scope>
                 <type>pom</type>
             </dependency>