build(deps-dev): bump prettier from 2.0.5 to 2.1.1 (#440)

Author: dependabot[bot]

package-lock.json

@@ -65,7 +65,7 @@
     "husky": "^4.2.5",
     "jest": "^26.4.2",
     "lint-staged": "^10.2.11",
-    "prettier": "^2.0.5",
+    "prettier": "^2.1.1",
     "reflect-metadata": "0.1.13",
     "rimraf": "3.0.2",
     "rollup": "^2.26.5",