Bump terser-webpack-plugin from 5.3.7 to 5.3.9 (#248)

Bumps [terser-webpack-plugin](https://github.com/webpack-contrib/terser-webpack-plugin) from 5.3.7 to 5.3.9.
- [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](webpack-contrib/terser-webpack-plugin@v5.3.7...v5.3.9)

---
updated-dependencies:
- dependency-name: terser-webpack-plugin
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -77,7 +77,7 @@
     "request": "^2.88.2",
     "style-loader": "^3.3.2",
     "stylelint": "^14.16.1",
-    "terser-webpack-plugin": "^5.3.7",
+    "terser-webpack-plugin": "^5.3.9",
     "webpack": "^5.83.1",
     "webpack-cli": "^5.1.1",
     "webpack-livereload-plugin": "^3.0.2",