build(deps): bump org.modelix.mps:build-tools-lib from 1.7.4 to 1.8.1

Bumps [org.modelix.mps:build-tools-lib](https://github.com/modelix/modelix.mps-build-tools) from 1.7.4 to 1.8.1.
- [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@1.7.4...1.8.1)

---
updated-dependencies:
- dependency-name: org.modelix.mps:build-tools-lib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -48,7 +48,7 @@ maven-invoker = { group = "org.apache.maven.shared", name = "maven-invoker", ver
 modelix-authorization = { group = "org.modelix", name = "authorization", version.ref = "modelix-core" }
 modelix-model-client = { group = "org.modelix", name = "model-client", version.ref = "modelix-core" }
 modelix-model-server = { group = "org.modelix", name = "model-server", version.ref = "modelix-core" }
-modelix-mps-build-tools = { group = "org.modelix.mps", name="build-tools-lib", version = "1.7.4"}
+modelix-mps-build-tools = { group = "org.modelix.mps", name="build-tools-lib", version = "1.8.1"}
 slf4j-simple = { group = "org.slf4j", name = "slf4j-simple", version = "2.0.16" }
 zt-zip = { group = "org.zeroturnaround", name = "zt-zip", version = "1.17" }
 modelix-mpsPlugins-legacySync = { group = "org.modelix.mps", name = "legacy-sync-plugin", version.ref = "modelix-mps-plugins" }