Update dependency prettier to v2.0.4 (#1707)

* Update dependency prettier to v2.0.4

* Update package.json

Co-authored-by: Noah Negrey <[email protected]>

Author: renovate-bot

functions/tokenservice/functions/package.json

@@ -27,7 +27,7 @@
     "eslint-plugin-prettier": "^3.1.0",
     "eslint-plugin-promise": "^4.0.1",
     "mocha": "^7.0.0",
-    "prettier": "2.0.2",
+    "prettier": "^2.0.0",
     "supertest": "^4.0.0"
   },
   "engines": {