Bump marked from 0.3.6 to 0.3.18

Bumps [marked](https://github.com/markedjs/marked) from 0.3.6 to 0.3.18.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Commits](markedjs/marked@v0.3.6...v0.3.18)

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

Author: dependabot[bot]

package.json

@@ -44,7 +44,7 @@
     "history": "^1.17.0",
     "immutable": "^3.8.1",
     "isomorphic-fetch": "^2.1.1",
-    "marked": "^0.3.6",
+    "marked": "^0.3.18",
     "method-override": "^2.3.5",
     "morgan": "^1.6.1",
     "prop-types": "^15.7.2",

yarn.lock

@@ -4200,9 +4200,10 @@ map-stream@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/map-stream/-/map-stream-0.1.0.tgz#e56aa94c4c8055a16404a0674b78f215f7c8e194"
 
-marked@^0.3.6:
-  version "0.3.6"
-  resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.6.tgz#b2c6c618fccece4ef86c4fc6cb8a7cbf5aeda8d7"
+marked@^0.3.18:
+  version "0.3.18"
+  resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.18.tgz#3ef058cd926101849b92a7a7c15db18c7fc76b2f"
+  integrity sha512-49i2QYhfULqaXzNZpxC808PisuCTGT2fgG0zrzdCI9N3rIfAWfW0nggvbXr6zvpynZdOG5+9xNxdzP0kwZnERw==
 
 md5@^2.0.0:
   version "2.2.1"