chore(deps-dev): Bump uglify-js from 3.12.5 to 3.12.6 (#1919)

Bumps [uglify-js](https://github.com/mishoo/UglifyJS) from 3.12.5 to 3.12.6.
- [Release notes](https://github.com/mishoo/UglifyJS/releases)
- [Commits](mishoo/UglifyJS@v3.12.5...v3.12.6)

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

Author: dependabot[bot]

package-lock.json

@@ -59,7 +59,7 @@
     "rollup-plugin-license": "^2.2.0",
     "semantic-release": "^17.3.7",
     "titleize": "^2.1.0",
-    "uglify-js": "^3.12.5",
+    "uglify-js": "^3.12.6",
     "vuln-regex-detector": "^1.3.0"
   },
   "scripts": {