fix: upgrade validator from 13.1.1 to 13.1.17

Snyk has created this PR to upgrade validator from 13.1.1 to 13.1.17.

See this package in npm:
https://www.npmjs.com/package/validator

See this project in Snyk:
https://app.snyk.io/org/wambugucoder/project/692c8e0d-e249-45f0-a831-d102632fd3a7?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

server/package-lock.json

@@ -41,7 +41,7 @@
     "pg-hstore": "^2.3.3",
     "sequelize": "^6.3.5",
     "supertest": "^4.0.2",
-    "validator": "^13.1.1",
+    "validator": "^13.1.17",
     "snyk": "^1.398.0"
   },
   "devDependencies": {