chore(deps): update dependency rollup-plugin-filesize to v9 (#729)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -73,7 +73,7 @@
     "rollup": "2.56.3",
     "rollup-plugin-babel": "3.0.7",
     "rollup-plugin-commonjs": "10.1.0",
-    "rollup-plugin-filesize": "6.1.1",
+    "rollup-plugin-filesize": "9.1.1",
     "rollup-plugin-uglify": "6.0.4"
   },
   "peerDependencies": {