Bump terser from 4.4.3 to 4.6.1 (#29964)

Bumps [terser](https://github.com/terser/terser) from 4.4.3 to 4.6.1.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/compare/v4.4.3...v4.6.1)

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

package.json

@@ -136,7 +136,7 @@
     "shelljs": "^0.8.3",
     "stylelint": "^12.0.1",
     "stylelint-config-twbs-bootstrap": "^1.1.0",
-    "terser": "^4.4.3",
+    "terser": "^4.6.1",
     "vnu-jar": "20.1.2"
   },
   "engines": {