fix(deps): update dependency validator to v13.15.20 [security]

Author: renovate[bot]

package-lock.json

@@ -84,7 +84,7 @@
     "universal-cookie": "4.0.4",
     "use-context-selector": "^1.4.1",
     "uuid": "9.0.1",
-    "validator": "13.12.0"
+    "validator": "13.15.20"
   },
   "peerDependencies": {
     "clean-webpack-plugin": "3.0.0",