fix: .snyk & package.json to reduce vulnerabilities

The following vulnerabilities are fixed with a Snyk patch:
- https://snyk.io/vuln/SNYK-JS-LODASH-567746
- https://snyk.io/vuln/npm:debug:20170905
- https://snyk.io/vuln/npm:ms:20170412

Author: snyk-bot

package.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "chrome-aws-lambda": "^2.0.2",
     "puppeteer-core": "^2.1.1",
-    "snyk": "^1.319.2"
+    "snyk": "^1.321.0"
   },
   "scripts": {
     "snyk-protect": "snyk protect",