Bump org.junit:junit-bom from 5.13.4 to 6.0.1 (#817)

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit-framework) from 5.13.4 to 6.0.1.
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.1)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 6.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

server/build.gradle

@@ -37,7 +37,7 @@ repositories {
 
 dependencies {
     implementation(platform("com.google.cloud:spring-cloud-gcp-dependencies:7.4.0"))
-    testImplementation(platform("org.junit:junit-bom:5.13.4"))
+    testImplementation(platform("org.junit:junit-bom:6.0.1"))
 
     implementation('org.springframework.boot:spring-boot-starter-web') {
         exclude module: 'spring-boot-starter-tomcat'