Bump terser-webpack-plugin from 2.3.4 to 2.3.5

Bumps [terser-webpack-plugin](https://github.com/webpack-contrib/terser-webpack-plugin) from 2.3.4 to 2.3.5.
- [Release notes](https://github.com/webpack-contrib/terser-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/terser-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/terser-webpack-plugin/compare/v2.3.4...v2.3.5)

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

package.json

@@ -42,7 +42,7 @@
         "json-update": "^5.3.0",
         "reflect-metadata": "^0.1.13",
         "replace-in-file-webpack-plugin": "^1.0.6",
-        "terser-webpack-plugin": "^2.3.4",
+        "terser-webpack-plugin": "^2.3.5",
         "tfx-cli": "^0.7.11",
         "ts-loader": "^6.2.1",
         "tslint": "^6.0.0",