Update dependency prettier to v2

package.json

@@ -35,7 +35,7 @@
     "husky": "3.1.0",
     "lerna": "3.20.2",
     "lint-staged": "9.5.0",
-    "prettier": "1.19.1",
+    "prettier": "2.0.3",
     "rimraf": "3.0.2",
     "typescript": "3.8.3"
   },

yarn.lock

@@ -10903,6 +10903,11 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
   integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
 
+[email protected]:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.3.tgz#9a06f0e94a51420e78b6925568b5bec72afe41ea"
+  integrity sha512-5qpBDBHO9fpE0zruKiTZm8Gxmz7kknO+WlQR/ivV+RMwgDw/WjOgmxLDn66MPrxq/WZPx/EgEZzh87xJO5E6Fw==
+
 pretty-format@^24.9.0:
   version "24.9.0"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-24.9.0.tgz#12fac31b37019a4eea3c11aa9a959eb7628aa7c9"