Bump org.mongodb:mongodb-driver-sync from 5.5.0 to 5.6.2 in /server

Bumps [org.mongodb:mongodb-driver-sync](https://github.com/mongodb/mongo-java-driver) from 5.5.0 to 5.6.2.
- [Release notes](https://github.com/mongodb/mongo-java-driver/releases)
- [Commits](mongodb/mongo-java-driver@r5.5.0...r5.6.2)

---
updated-dependencies:
- dependency-name: org.mongodb:mongodb-driver-sync
  dependency-version: 5.6.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

server/build.gradle

@@ -32,7 +32,7 @@ dependencies {
   implementation 'io.javalin:javalin:6.6.0'
 
   // Mongo DB Driver for Java
-  implementation 'org.mongodb:mongodb-driver-sync:5.5.0'
+  implementation 'org.mongodb:mongodb-driver-sync:5.6.2'
 
   // MongoJack, MongoDB integration for Jackson
   implementation 'org.mongojack:mongojack:5.0.2'