Bump fs-extra and @types/fs-extra in /extensions/ql-vscode

Bumps [fs-extra](https://github.com/jprichardson/node-fs-extra) and [@types/fs-extra](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/fs-extra). These dependencies needed to be updated together.

Updates `fs-extra` from 10.0.1 to 11.1.1
- [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@10.0.1...11.1.1)

Updates `@types/fs-extra` from 9.0.6 to 11.0.1
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/fs-extra)

---
updated-dependencies:
- dependency-name: fs-extra
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/fs-extra"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

extensions/ql-vscode/package-lock.json

@@ -1441,7 +1441,7 @@
     "classnames": "~2.2.6",
     "d3": "^7.6.1",
     "d3-graphviz": "^5.0.2",
-    "fs-extra": "^10.0.1",
+    "fs-extra": "^11.1.1",
     "glob-promise": "^6.0.2",
     "immutable": "^4.0.0",
     "js-yaml": "^4.1.0",
@@ -1492,7 +1492,7 @@
     "@types/d3": "^7.4.0",
     "@types/d3-graphviz": "^2.6.6",
     "@types/del": "^4.0.0",
-    "@types/fs-extra": "^9.0.6",
+    "@types/fs-extra": "^11.0.1",
     "@types/glob": "^7.1.1",
     "@types/google-protobuf": "^3.2.7",
     "@types/gulp": "^4.0.9",