Bump webpack from 4.45.0 to 4.46.0

Bumps [webpack](https://github.com/webpack/webpack) from 4.45.0 to 4.46.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v4.45.0...v4.46.0)

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

package.json

@@ -103,7 +103,7 @@
     "typescript": "^4.0.2",
     "url-polyfill": "^1.1.5",
     "walk": "^2.3.9",
-    "webpack": "4.45.0",
+    "webpack": "4.46.0",
     "webpack-cli": "^4.0.0",
     "webpack-dev-middleware": "^4.0.0",
     "webpack-dev-server": "^3.3.1",