build(deps-dev): bump prettier to v2.8.4

Signed-off-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package-lock.json

@@ -54,7 +54,7 @@
     "npm-package-json-lint": "6.4.0",
     "npm-package-json-lint-config-default": "5.0.0",
     "npm-run-all": "4.1.5",
-    "prettier": "2.8.3",
+    "prettier": "2.8.4",
     "prettier-package-json": "2.8.0",
     "read-package-json": "6.0.0",
     "rimraf": "3.0.2",