fix(model-client): compile error in ReplicatedRepository in Kotlin 1.9

Author: slisson

model-client/src/commonMain/kotlin/org/modelix/model/client/ReplicatedRepository.kt

@@ -7,6 +7,7 @@ import org.modelix.model.lazy.RepositoryId
 
 expect class ReplicatedRepository(client: IModelClient, branchReference: BranchReference, user: () -> String) {
     var localVersion: CLVersion?
+        private set
     val branch: IBranch
     fun dispose()
     fun isDisposed(): Boolean

model-client/src/jsMain/kotlin/org/modelix/model/client/ReplicatedRepository.kt

@@ -16,7 +16,7 @@ actual class ReplicatedRepository actual constructor(
 
     actual var localVersion: CLVersion?
         get() = TODO("Not yet implemented")
-        set(value) {}
+        private set(value) {}
     actual val branch: IBranch
         get() = TODO("Not yet implemented")