packagerules-force-disable-all-managers.json

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "description": "🚨 **Warning:** Disables all package patterns. Use this to disable everything, then selectively re-enable.",
  "packageRules": [
    {
      "matchPackagePatterns": ["*"],
      "enabled": false,
      "description": "Disables all package patterns."
    }
  ]
}