chore(deps): update dependency prettier to v2.8.8

Author: renovate[bot]

package.json

@@ -102,7 +102,7 @@
     "mockdate": "^3.0.5",
     "nightwatch": "2.6.21",
     "nightwatch-helpers": "^1.2.0",
-    "prettier": "2.8.7",
+    "prettier": "2.8.8",
     "rollup": "2.79.1",
     "rollup-plugin-analyzer": "^4.0.0",
     "rollup-plugin-terser": "^7.0.2",