build(deps): bump com.google.guava:guava from 33.4.0-jre to 33.4.6-jre

Bumps [com.google.guava:guava](https://github.com/google/guava) from 33.4.0-jre to 33.4.6-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

---
updated-dependencies:
- dependency-name: com.google.guava:guava
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -96,7 +96,7 @@ kotest-assertions-core = { group = "io.kotest", name = "kotest-assertions-core",
 kotest-assertions-coreJvm = { group = "io.kotest", name = "kotest-assertions-core-jvm", version.ref = "kotest" }
 kotest-assertions-ktor = { group = "io.kotest.extensions", name = "kotest-assertions-ktor", version = "2.0.0" }
 
-guava = { group = "com.google.guava", name = "guava", version = "33.4.0-jre" }
+guava = { group = "com.google.guava", name = "guava", version = "33.4.6-jre" }
 org-json = { group = "org.json", name = "json", version = "20250107" }
 google-oauth-client = { group = "com.google.oauth-client", name = "google-oauth-client", version = "1.39.0" }
 google-oauth-clientjetty = { group = "com.google.oauth-client", name = "google-oauth-client-jetty", version = "1.39.0" }

model-server/src/main/kotlin/org/modelix/model/server/handlers/ModelReplicationServer.kt

@@ -79,7 +79,7 @@ class ModelReplicationServer(
     }
 
     private val stores: StoreManager get() = repositoriesManager.getStoreManager()
-    private val indexPersistence = CacheBuilder.newBuilder().softValues().build<RepositoryId?, InMemoryMemoizationPersistence>()
+    private val indexPersistence = CacheBuilder.newBuilder().softValues().build<RepositoryId, InMemoryMemoizationPersistence>()
 
     fun init(application: Application) {
         application.routing {