chore(deps): update dependency jest to v28

Author: renovate-bot

demo/package.json

@@ -36,7 +36,7 @@
     "form-data": "^4.0.0",
     "fs-extra": "^10.0.0",
     "gatsby-plugin-netlify": "^4.0.0",
-    "jest": "^27.0.0",
+    "jest": "^28.0.0",
     "linkfs": "^2.1.0",
     "multer": "^1.4.2",
     "node-fetch": "^2.6.1",