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

Author: renovate[bot]

package-lock.json

@@ -47,7 +47,7 @@
         "mustache": "4.2.0",
         "plugin-typescript": "8.0.0",
         "preact": "10.12.1",
-        "prettier": "2.8.4",
+        "prettier": "2.8.8",
         "prompts": "2.4.2",
         "react": "17.0.2",
         "react-dom": "17.0.2",
@@ -115,7 +115,7 @@
         "mockdate": "3.0.5",
         "npm-run-all": "4.1.5",
         "open": "8.4.2",
-        "prettier": "2.8.4",
+        "prettier": "2.8.8",
         "serve-index": "1.9.1",
         "serve-static": "1.15.0",
         "stylelint": "13.13.1",