Update dependency prettier to v2.0.4 (#68)

Author: renovate-bot

package.json

@@ -44,7 +44,7 @@
     "lint-staged": "10.0.9",
     "np": "6.2.1",
     "npm-run-all": "4.1.5",
-    "prettier": "2.0.2",
+    "prettier": "2.0.4",
     "rimraf": "3.0.2",
     "rollup": "2.2.0",
     "shx": "0.3.2",