chore(greenkeeper): Update typedoc to version 0.17.2.

Closes #75.

Author: greenkeeper[bot]

packages/@opticss/util/package.json

@@ -55,7 +55,7 @@
     "remap-istanbul": "^0.13.0",
     "source-map-support": "^0.5.3",
     "tslint": "^5.10.0",
-    "typedoc": "^0.15.0-0",
+    "typedoc": "^0.17.2",
     "typescript": "~3.4.4"
   },
   "gitHead": "ef310cb1b10dbc90cae4f859da146863f99d940b",