chore(deps): update dependency doctoc to v1.3.1

Author: renovate-bot

package.json

@@ -92,7 +92,7 @@
     "babel-eslint": "7.2.3",
     "babel-plugin-lodash": "3.3.2",
     "cross-env": "5.1.3",
-    "doctoc": "1.3.0",
+    "doctoc": "1.3.1",
     "enzyme": "3.3.0",
     "enzyme-adapter-react-16": "1.1.1",
     "enzyme-to-json": "3.3.1",

yarn.lock

@@ -2174,9 +2174,9 @@ discontinuous-range@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/discontinuous-range/-/discontinuous-range-1.0.0.tgz#e38331f0844bba49b9a9cb71c771585aab1bc65a"
 
-doctoc@1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/doctoc/-/doctoc-1.3.0.tgz#7f0839851dd58c808a2cae55d9504e012d08ee30"
+doctoc@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/doctoc/-/doctoc-1.3.1.tgz#f012e3603e3156254c2ef22ac88c7190f55426ba"
   dependencies:
     anchor-markdown-header "^0.5.5"
     htmlparser2 "~3.9.2"