Bump validator from 9.1.1 to 13.7.0

Bumps [validator](https://github.com/validatorjs/validator.js) from 9.1.1 to 13.7.0.
- [Release notes](https://github.com/validatorjs/validator.js/releases)
- [Changelog](https://github.com/validatorjs/validator.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/validatorjs/validator.js/compare/9.1.1...13.7.0)

---
updated-dependencies:
- dependency-name: validator
  dependency-type: direct:production
...

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

package.json

@@ -31,7 +31,7 @@
     "mongoose": "^4.12.6",
     "passport": "^0.4.0",
     "passport-local": "^1.0.0",
-    "validator": "^9.1.1"
+    "validator": "^13.7.0"
   },
   "devDependencies": {
     "nodemon": "^1.12.1"