Update dependency prettier to v2.6.2

Author: renovate-bot

package-lock.json

@@ -17,7 +17,7 @@
     "@types/node": "13.13.50",
     "husky": "6.0.0",
     "lint-staged": "10.5.4",
-    "prettier": "2.3.2",
+    "prettier": "2.6.2",
     "tslint": "6.1.3",
     "tslint-config-prettier": "1.18.0",
     "tslint-plugin-prettier": "2.3.0"