Bump marked from 0.3.9 to 0.3.18

Bumps [marked](https://github.com/markedjs/marked) from 0.3.9 to 0.3.18.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Commits](markedjs/marked@0.3.9...v0.3.18)

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

Author: dependabot[bot]

package-lock.json

@@ -28,7 +28,7 @@
 		"test": "mocha test/test.js"
 	},
 	"dependencies": {
-		"marked": "0.3.9",
+		"marked": "0.3.18",
 		"htmlparser2": "3.8.3",
 		"js-yaml": "3.13.1",
 		"pretty-data": "0.40.0"