fix(deps): bump jquery-validation from 1.20.1 to 1.21.0 (#1033)

Bumps [jquery-validation](https://github.com/jquery-validation/jquery-validation) from 1.20.1 to 1.21.0.
- [Release notes](https://github.com/jquery-validation/jquery-validation/releases)
- [Changelog](https://github.com/jquery-validation/jquery-validation/blob/master/changelog.md)
- [Commits](jquery-validation/jquery-validation@1.20.1...1.21.0)

---
updated-dependencies:
- dependency-name: jquery-validation
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -18,7 +18,7 @@
     "webpack-stream": "^7.0.0"
   },
   "dependencies": {
-    "jquery-validation": "^1.20.1",
+    "jquery-validation": "^1.21.0",
     "locutus": "^2.0.32",
     "php-date-formatter": "^1.3.6"
   },