build: update dependency marked to v15

See associated pull request for more information.

Author: angular-robot

package.json

@@ -124,7 +124,7 @@
     "karma-parallel": "^0.3.1",
     "karma-sourcemap-loader": "^0.4.0",
     "magic-string": "0.30.17",
-    "marked": "^2.0.0",
+    "marked": "^15.0.0",
     "minimatch": "^3.0.4",
     "node-fetch": "^2.6.0",
     "parse5": "^7.1.2",