Small change in package.json

Author: Kaniska244

src/typescript-node/test-project/package.json

@@ -21,5 +21,6 @@
 		"eslint": "^8.23.1",
 		"typescript": "^4.8.3",
 		"vscode-nls-dev": "^4.0.1"
-	}
+	},
+	"packageManager": "yarn@4.9.4"
 }