chore(deps): update dependency fs-extra to v11

| datasource | package  | from  | to     |
| ---------- | -------- | ----- | ------ |
| npm        | fs-extra | 9.1.0 | 11.3.0 |

Author: stackable-bot

package-lock.json

@@ -36,7 +36,7 @@
     "eslint-plugin-promise": "^4.2",
     "eslint-plugin-standard": "^4.1",
     "fancy-log": "^1.3",
-    "fs-extra": "^9",
+    "fs-extra": "^11.0.0",
     "gulp": "^4.0",
     "gulp-concat": "^2.6",
     "gulp-connect": "^5.7",