Bump webpack-cli from 3.3.11 to 3.3.12

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 3.3.11 to 3.3.12.
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/v3.3.12/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/v3.3.11...v3.3.12)

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

package.json

@@ -50,6 +50,6 @@
         "ts-loader": "^7.0.5",
         "typescript": "^3.9.5",
         "webpack": "^4.43.0",
-        "webpack-cli": "^3.3.11"
+        "webpack-cli": "^3.3.12"
     }
 }