chore(deps-dev): bump terser from 5.10.0 to 5.12.0 (#4317)

Bumps [terser](https://github.com/terser/terser) from 5.10.0 to 5.12.0.
- [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/v5.10.0...v5.12.0)

---
updated-dependencies:
- dependency-name: terser
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

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

package.json

@@ -150,7 +150,7 @@
     "rollup": "^2.69.0",
     "stylelint": "^13.13.1",
     "stylelint-config-twbs-bootstrap": "^2.2.4",
-    "terser": "^5.10.0",
+    "terser": "^5.12.0",
     "vnu-jar": "^21.10.12"
   }
 }