fix: upgrade snyk from 1.518.0 to 1.520.0

Snyk has created this PR to upgrade snyk from 1.518.0 to 1.520.0.

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

See this project in Snyk:
https://app.snyk.io/org/customer-facing-tools/project/48e12431-0914-4296-af76-f95a5c00efc1?utm_source=github&utm_medium=upgrade-pr

package.json

@@ -23,7 +23,7 @@
     "lodash": "^4.17.21",
     "minimist": "^1.2.3",
     "node-jq": "^1.12.0",
-    "snyk": "^1.518.0"
+    "snyk": "^1.520.0"
   },
   "devDependencies": {
     "mocha": "^5.0.4",