Bump prettier from 2.1.1 to 2.2.1 (#35)

Author: dependabot[bot]

package-lock.json

@@ -48,7 +48,7 @@
     "jest": "^26.6.3",
     "npm-package-json-lint": "^5.1.0",
     "npm-package-json-lint-config-tc": "^4.0.0",
-    "prettier": "^2.1.1",
+    "prettier": "^2.2.1",
     "typescript": "^4.1.3"
   },
   "dependencies": {