Bump extract-text-webpack-plugin from 2.1.2 to 3.0.2 in /custom-analy…

…tics-ui

Bumps [extract-text-webpack-plugin](https://github.com/webpack-contrib/extract-text-webpack-plugin) from 2.1.2 to 3.0.2.
- [Release notes](https://github.com/webpack-contrib/extract-text-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/extract-text-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/extract-text-webpack-plugin@v2.1.2...v3.0.2)

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

custom-analytics-ui/package.json

@@ -43,7 +43,7 @@
     "eslint-plugin-import": "^2.13.0",
     "eslint-plugin-jsx-a11y": "^6.0.3",
     "eslint-plugin-react": "^7.10.0",
-    "extract-text-webpack-plugin": "^2.1.2",
+    "extract-text-webpack-plugin": "^3.0.2",
     "file-loader": "^1.1.11",
     "html-webpack-plugin": "3.2.0",
     "style-loader": "^0.18.2",