chore(deps): bump modelix-core from 16.2.3 to 16.4.0

Bumps `modelix-core` from 16.2.3 to 16.4.0.

Updates `org.modelix:authorization` from 16.2.3 to 16.4.0
- [Release notes](https://github.com/modelix/modelix.core/releases)
- [Changelog](https://github.com/modelix/modelix.core/blob/main/.releaserc.json)
- [Commits](modelix/modelix.core@16.2.3...16.4.0)

Updates `org.modelix:model-client` from 16.2.3 to 16.4.0
- [Release notes](https://github.com/modelix/modelix.core/releases)
- [Changelog](https://github.com/modelix/modelix.core/blob/main/.releaserc.json)
- [Commits](modelix/modelix.core@16.2.3...16.4.0)

Updates `org.modelix:model-server` from 16.2.3 to 16.4.0
- [Release notes](https://github.com/modelix/modelix.core/releases)
- [Changelog](https://github.com/modelix/modelix.core/blob/main/.releaserc.json)
- [Commits](modelix/modelix.core@16.2.3...16.4.0)

Updates `org.modelix.mps:mps-sync-plugin3` from 16.2.3 to 16.4.0
- [Release notes](https://github.com/modelix/modelix.core/releases)
- [Changelog](https://github.com/modelix/modelix.core/blob/main/.releaserc.json)
- [Commits](modelix/modelix.core@16.2.3...16.4.0)

---
updated-dependencies:
- dependency-name: org.modelix:authorization
  dependency-version: 16.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.modelix:model-client
  dependency-version: 16.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.modelix:model-server
  dependency-version: 16.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.modelix.mps:mps-sync-plugin3
  dependency-version: 16.4.0
  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

@@ -10,7 +10,7 @@ kotlinSerialization="1.9.0"
 kotlinx-coroutines = "1.10.2"
 ktor = "3.3.1"
 logback = "1.5.19"
-modelix-core = "16.2.3"
+modelix-core = "16.4.0"
 modelix-mps-plugins = "0.12.0"
 modelix-openapi = "1.3.0"