Update dependency eslint-config-wpcalypso to v4

Author: renovate-bot

package.json

@@ -81,7 +81,7 @@
     "es6-promise": "4.2.5",
     "eslint": "3.19.0",
     "eslint-config-prettier": "3.3.0",
-    "eslint-config-wpcalypso": "0.8.0",
+    "eslint-config-wpcalypso": "4.0.1",
     "eslint-loader": "2.1.1",
     "eslint-plugin-jsx-a11y": "4.0.0",
     "eslint-plugin-lodash": "5.1.0",

yarn.lock

@@ -2900,9 +2900,9 @@ eslint-config-prettier@3.3.0:
   dependencies:
     get-stdin "^6.0.0"
 
-eslint-config-wpcalypso@0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-wpcalypso/-/eslint-config-wpcalypso-0.8.0.tgz#e097552997bebef0d8256d9163741267c6ab510b"
+eslint-config-wpcalypso@4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-config-wpcalypso/-/eslint-config-wpcalypso-4.0.1.tgz#f0f8a8b999e5236e628045b3402d3c4433363507"
 
 eslint-loader@2.1.1:
   version "2.1.1"