Update dependency prettier to v2.7.1

Author: renovate[bot]

package-lock.json

@@ -63,7 +63,7 @@
     "jest": "27.5.1",
     "mkdirp": "1.0.4",
     "np": "7.6.1",
-    "prettier": "2.6.2",
+    "prettier": "2.7.1",
     "rimraf": "3.0.2",
     "ts-jest": "27.1.5",
     "typescript": "4.7.3",