fix(deps): update dependency acorn to v8.9.0

Author: renovate[bot]

package.json

@@ -66,6 +66,6 @@
     "rollup-plugin-commonjs": "10.1.0"
   },
   "dependencies": {
-    "acorn": "8.4.0"
+    "acorn": "8.9.0"
   }
 }