Bump marked from 0.5.1 to 0.6.1

Bumps [marked](https://github.com/markedjs/marked) from 0.5.1 to 0.6.1.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Commits](markedjs/marked@v0.5.1...v0.6.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -4,7 +4,7 @@
     "fs-extra": "0.28.0",
     "glob": "^7.1.3",
     "highlight.js": "9.3.0",
-    "marked": "0.5.1",
+    "marked": "0.6.1",
     "sqlite3": "4.1.1",
     "sync-request": "3.0.0"
   },