build: update dependencies

Author: michalkvasnicak

Diff for: .prettierrc

@@ -1,4 +1,5 @@
 {
+  "arrowParens": "avoid",
   "semi": true,
   "singleQuote": true,
   "trailingComma": "all"

Diff for: package.json

@@ -60,7 +60,7 @@
     "lerna": "^3.18.4",
     "lint-staged": "^9.4.3",
     "microbundle": "^0.12.0-next.6",
-    "prettier": "^1.19.1",
+    "prettier": "^2.0.5",
     "react": "^16.13.0",
     "react-dom": "^16.12.0",
     "react-test-renderer": "^16.12.0",