Bump validator from 13.6.0 to 13.7.0 in /app

Bumps [validator](https://github.com/validatorjs/validator.js) from 13.6.0 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](validatorjs/validator.js@13.6.0...13.7.0)

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

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

app/package.json

@@ -50,7 +50,7 @@
     "telejson": "^5.3.3",
     "tmp": "^0.2.1",
     "uuid": "^8.3.2",
-    "validator": "^13.6.0",
+    "validator": "^13.7.0",
     "winston": "^3.3.3",
     "winston-transport": "^4.4.0"
   },