Update dependency prettier to v2.7.1

Author: renovate-bot

package-lock.json

@@ -64,7 +64,7 @@
     "jest-cli": "28.1.1",
     "js-yaml": "4.1.0",
     "lint-staged": "13.0.2",
-    "prettier": "2.6.2",
+    "prettier": "2.7.1",
     "rxjs": "^7.5.5",
     "ts-jest": "28.0.5",
     "ts-node": "10.8.1",