feat: upgrade marked from 2.1.3 to 4.0.19

Snyk has created this PR to upgrade marked from 2.1.3 to 4.0.19.

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

See this project in Snyk:
https://app.snyk.io/org/contentstack-ecosystem/project/f6d6101e-2f5e-4cbd-8bdb-10d6a4640e75?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -8,7 +8,7 @@
     "debug": "4.1.1",
     "dns-socket": "4.2.0",
     "lodash": "^4.17.21",
-    "marked": "^2.1.3",
+    "marked": "^4.0.19",
     "write-file-atomic": "2.4.2"
   },
   "devDependencies": {