fix: packages/fdb-protocol/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-VALIDATOR-13653476

Author: snyk-bot

packages/fdb-protocol/package.json

@@ -25,7 +25,7 @@
     "io-ts": "2.2.10",
     "semver": "^7.3.2",
     "tslib": "^2.0.1",
-    "validator": "^13.1.1"
+    "validator": "^13.15.22"
   },
   "devDependencies": {
     "@types/invariant": "^2.2.33",