Update dependency @types/fs-extra to v8.1.5

Author: renovate[bot]

package.json

@@ -42,7 +42,7 @@
   },
   "devDependencies": {
     "@types/babel__core": "7.1.12",
-    "@types/fs-extra": "8.1.1",
+    "@types/fs-extra": "8.1.5",
     "@types/mime": "2.0.3",
     "@types/node": "12.20.4",
     "@types/uuid": "8.3.0",