Bump terser from 5.16.8 to 5.16.9

Bumps [terser](https://github.com/terser/terser) from 5.16.8 to 5.16.9.
- [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/v5.16.8...v5.16.9)

---
updated-dependencies:
- dependency-name: terser
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -5,7 +5,7 @@
     "html-minifier": "^4.0.0",
     "stylelint": "^15.4.0",
     "stylelint-config-standard": "^32.0.0",
-    "terser": "^5.16.8",
+    "terser": "^5.16.9",
     "vnu-jar": "^22.9.29"
   }
 }