Bump fs-extra from 9.0.1 to 9.1.0 in /src (#1906)

Bumps [fs-extra](https://github.com/jprichardson/node-fs-extra) from 9.0.1 to 9.1.0.
- [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@9.0.1...9.1.0)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/package-lock.json

@@ -34,7 +34,7 @@
   },
   "devDependencies": {
     "ejs": "3.1.5",
-    "fs-extra": "9.0.1",
+    "fs-extra": "9.1.0",
     "jsdom": "16.4.0",
     "prettier": "2.2.1",
     "recursive-readdir": "2.2.2",