chore(deps): update dependency prettier to v2.8.0

Author: renovate[bot]

package-lock.json

@@ -45,7 +45,7 @@
     "@emmanuelgautier/renovate-config": "1.5.0",
     "@netlify/plugin-gatsby": "3.4.8",
     "@netlify/plugin-lighthouse": "4.0.3",
-    "prettier": "2.7.1"
+    "prettier": "2.8.0"
   },
   "keywords": [
     "gatsby",