chore: bump prettier from 2.2.0 to 2.2.1 (#120)

Author: dependabot[bot]

package-lock.json

@@ -103,7 +103,7 @@
     "jest-html-reporter": "^3.3.0",
     "jest-junit": "^12.0.0",
     "lodash": "^4.17.20",
-    "prettier": "^2.2.0",
+    "prettier": "^2.2.1",
     "pretty-quick": "^3.1.0",
     "rimraf": "^3.0.2",
     "rollup": "^2.33.3",