Bump webpack-cli from 3.3.11 to 3.3.12 (#505)

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)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -59,7 +59,7 @@
     "ttypescript": "^1.5.10",
     "typescript": "3.9.6",
     "webpack": "4.43.0",
-    "webpack-cli": "3.3.11"
+    "webpack-cli": "3.3.12"
   },
   "dependencies": {
     "@types/node": "14.0.9",