build(deps-dev): Bump webpack-cli from 3.3.10 to 3.3.11 in /addon (#423)

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 3.3.10 to 3.3.11.
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/next/CHANGELOG_v3.md)
- [Commits](webpack/webpack-cli@v3.3.10...v3.3.11)

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

Author: dependabot-preview[bot]

addon/package-lock.json

@@ -13,7 +13,7 @@
     "eslint-plugin-no-unsanitized": "^3.0.2",
     "web-ext": "^4.1.0",
     "webpack": "^4.41.6",
-    "webpack-cli": "^3.3.10"
+    "webpack-cli": "^3.3.11"
   },
   "scripts": {
     "lint": "eslint src/*.js",