build(deps): bump modelixBuildtools from 1.8.1 to 1.9.0

Bumps `modelixBuildtools` from 1.8.1 to 1.9.0.

Updates `org.modelix.mps:build-tools-lib` from 1.8.1 to 1.9.0
- [Release notes](https://github.com/modelix/modelix.mps-build-tools/releases)
- [Changelog](https://github.com/modelix/modelix.mps-build-tools/blob/main/.releaserc.json)
- [Commits](modelix/modelix.mps-build-tools@1.8.1...1.9.0)

Updates `org.modelix.mps.build-tools` from 1.8.1 to 1.9.0

---
updated-dependencies:
- dependency-name: org.modelix.mps:build-tools-lib
  dependency-version: 1.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.modelix.mps.build-tools
  dependency-version: 1.9.0
  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 @@ kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", versi
 
 [versions]
 modelixCore = "14.5.1"
-modelixBuildtools="1.8.1"
+modelixBuildtools="1.9.0"
 kotlin = "2.1.20"
 
 [libraries]