Add missing rimraf dependency

rimraf was used in clean script but not declared as a dependency

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

Author: cmdcolin

package.json

@@ -51,6 +51,7 @@
     "eslint": "^10.2.1",
     "eslint-plugin-import": "^2.32.0",
     "prettier": "^3.8.3",
+    "rimraf": "^6.1.3",
     "typescript": "^6.0.3",
     "typescript-eslint": "^8.59.0",
     "vitest": "^4.1.5"