chore(deps): bump org.mongodb:bson-kotlinx from 5.4.0 to 5.6.1

Bumps [org.mongodb:bson-kotlinx](https://github.com/mongodb/mongo-java-driver) from 5.4.0 to 5.6.1.
- [Release notes](https://github.com/mongodb/mongo-java-driver/releases)
- [Commits](mongodb/mongo-java-driver@r5.4.0...r5.6.1)

---
updated-dependencies:
- dependency-name: org.mongodb:bson-kotlinx
  dependency-version: 5.6.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ maven-resolver = "2.0.5"
 jline = "3.30.6"
 brigadier = "1.3.10"
 terminalconsoleappender = "1.3.0"
-bson-kotlinx = "5.4.0"
+bson-kotlinx = "5.6.1"
 aspectjweaver = "1.9.22.1"
 zstd-jni = "1.5.7-4"
 luckperms-api = "5.5"