Bump marked from 0.3.19 to 0.8.0

Bumps [marked](https://github.com/markedjs/marked) from 0.3.19 to 0.8.0.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Commits](https://github.com/markedjs/marked/compare/v0.3.19...v0.8.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -46,7 +46,7 @@
     "express": "^4.13.3",
     "jwt-simple": "^0.5.6",
     "lodash": "^4.17.15",
-    "marked": "^0.3.5",
+    "marked": "^0.8.0",
     "moment": "^2.24.0",
     "mongoose": "^5.7.5",
     "nconf": "^0.10.0",