Bump org.junit.jupiter:junit-jupiter-engine in /server

Bumps [org.junit.jupiter:junit-jupiter-engine](https://github.com/junit-team/junit5) from 5.10.5 to 5.11.3.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.10.5...r5.11.3)

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

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

server/build.gradle

@@ -51,7 +51,7 @@ dependencies {
 	testImplementation 'org.testcontainers:postgresql:1.20.3'
 
 	// TODO: for some reason an update of org.junit.jupiter:junit-jupiter-engine to 5.11.x breaks the tests
-	testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.10.5'
+	testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.11.3'
 	testRuntimeOnly "org.junit.platform:junit-platform-launcher:1.11.3"
 	compileOnly "org.projectlombok:lombok:1.18.36"
 	annotationProcessor "org.projectlombok:lombok:1.18.36"