Bump fs-extra from 8.1.0 to 9.0.0

Bumps [fs-extra](https://github.com/jprichardson/node-fs-extra) from 8.1.0 to 9.0.0.
- [Release notes](https://github.com/jprichardson/node-fs-extra/releases)
- [Changelog](https://github.com/jprichardson/node-fs-extra/blob/master/CHANGELOG.md)
- [Commits](jprichardson/node-fs-extra@8.1.0...9.0.0)

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

package.json

@@ -46,7 +46,7 @@
     "@rollup/plugin-json": "^4.0.1",
     "@rollup/plugin-node-resolve": "^7.0.0",
     "builtin-modules": "^3.1.0",
-    "fs-extra": "^8.1.0",
+    "fs-extra": "^9.0.0",
     "mri": "^1.1.4",
     "rollup": "^1.29.1",
     "rollup-plugin-babel": "^4.3.3",