Bump assert-helpers from 8.4.0 to 9.0.0

Bumps [assert-helpers](https://github.com/bevry/assert-helpers) from 8.4.0 to 9.0.0.
- [Changelog](https://github.com/bevry/assert-helpers/blob/master/HISTORY.md)
- [Commits](bevry/assert-helpers@v8.4.0...v9.0.0)

---
updated-dependencies:
- dependency-name: assert-helpers
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -156,7 +156,7 @@
     "@types/node": "^20.8.10",
     "@typescript-eslint/eslint-plugin": "^6.9.1",
     "@typescript-eslint/parser": "^6.9.1",
-    "assert-helpers": "^8.4.0",
+    "assert-helpers": "^9.0.0",
     "backbone": "^1.5.0",
     "eslint": "^8.52.0",
     "eslint-config-bevry": "^3.28.0",