Infrastructure: Bump vnu-jar from 20.6.30 to 21.2.5 (pull #1752)

Bumps [vnu-jar](https://github.com/validator/validator) from 20.6.30 to 21.2.5.
- [Release notes](https://github.com/validator/validator/releases)
- [Changelog](https://github.com/validator/validator/blob/master/CHANGELOG.md)
- [Commits](validator/validator@20.6.30...21.2.5)

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

package.json

@@ -55,7 +55,7 @@
     "stylelint-config-prettier": "^8.0.2",
     "stylelint-config-standard": "^20.0.0",
     "stylelint-prettier": "^1.1.2",
-    "vnu-jar": "^20.6.30"
+    "vnu-jar": "^21.2.5"
   },
   "husky": {
     "hooks": {