chore(deps): update dependency prettier to v2.6.1

Author: renovate-bot

package-lock.json

@@ -40,7 +40,7 @@
     "lint-staged": "11.2.3",
     "mocha": "9.1.3",
     "nyc": "15.1.0",
-    "prettier": "2.4.1",
+    "prettier": "2.6.1",
     "rimraf": "3.0.2",
     "ts-node": "10.4.0",
     "typescript": "4.4.4"