Update dependency terser-webpack-plugin to v2.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
terser-webpack-plugin	dependencies	minor	2.1.3 -> 2.2.0

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Release Notes

webpack-contrib/terser-webpack-plugin

### [`v2.2.0`](https://togithub.com/webpack-contrib/terser-webpack-plugin/blob/master/CHANGELOG.md#​220httpsgithubcomwebpack-contribterser-webpack-plugincomparev213v220-2019-10-22) [Compare Source](https://togithub.com/webpack-contrib/terser-webpack-plugin/compare/v2.1.3...v2.2.0) ##### Features - map `webpack@5` options to `terser` options ([#​177](https://togithub.com/webpack-contrib/terser-webpack-plugin/issues/177)) ([f4c47aa](https://togithub.com/webpack-contrib/terser-webpack-plugin/commit/f4c47aa0e3de27bbab3ae0a90a461841bbce5988)) - pass an asset path for the `warningsFilter` option ([#​176](https://togithub.com/webpack-contrib/terser-webpack-plugin/issues/176)) ([9a0a575](https://togithub.com/webpack-contrib/terser-webpack-plugin/commit/9a0a575585be21118cb4e3611d30e665a6337c3d)) - propagate an error stacktrace from `terser` ([#​179](https://togithub.com/webpack-contrib/terser-webpack-plugin/issues/179)) ([a11e66b](https://togithub.com/webpack-contrib/terser-webpack-plugin/commit/a11e66b17ae2bb146ded4e64c948d5eece834378)) - enable the `sourceMap` option when the `SourceMapDevToolPlugin` plugin used (non cheap) ([#​178](https://togithub.com/webpack-contrib/terser-webpack-plugin/issues/178)) ([d01c1b5](https://togithub.com/webpack-contrib/terser-webpack-plugin/commit/d01c1b5fef7f0593c91c1be3d4eb36220c3f465d)) ##### Bug Fixes - get rid deprecation warnings for `webpack@5` ([#​180](https://togithub.com/webpack-contrib/terser-webpack-plugin/issues/180)) ([504ea8b](https://togithub.com/webpack-contrib/terser-webpack-plugin/commit/504ea8b2017e6fa9b8a5f2123025ee5b7b4d80b1)) ##### [2.1.3](https://togithub.com/webpack-contrib/terser-webpack-plugin/compare/v2.1.2...v2.1.3) (2019-10-10) ##### Bug Fixes - invalidate cache when a file name was changed ([#​171](https://togithub.com/webpack-contrib/terser-webpack-plugin/issues/171)) ([7e1d370](https://togithub.com/webpack-contrib/terser-webpack-plugin/commit/7e1d370ce2520c7c23689c19b22cfbea0265957e)) ##### [2.1.2](https://togithub.com/webpack-contrib/terser-webpack-plugin/compare/v2.1.1...v2.1.2) (2019-09-28) ##### Bug Fixes - regexp for `some` comments ([#​168](https://togithub.com/webpack-contrib/terser-webpack-plugin/issues/168)) ([4c4b1f1](https://togithub.com/webpack-contrib/terser-webpack-plugin/commit/4c4b1f1)) ##### [2.1.1](https://togithub.com/webpack-contrib/terser-webpack-plugin/compare/v2.1.0...v2.1.1) (2019-09-27) ##### Bug Fixes - logic for extracting and preserving comments ([#​166](https://togithub.com/webpack-contrib/terser-webpack-plugin/issues/166)) ([6bdee64](https://togithub.com/webpack-contrib/terser-webpack-plugin/commit/6bdee64))

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