chore(deps): update dependency prettier to v2.7.1

Author: renovate[bot]

package-lock.json

@@ -37,7 +37,7 @@
   "homepage": "https://github.com/bahmutov/check-code-coverage#readme",
   "devDependencies": {
     "ava": "3.15.0",
-    "prettier": "2.1.2",
+    "prettier": "2.7.1",
     "semantic-release": "17.4.7"
   },
   "dependencies": {