updates_custom.json

{
  "addons": {
    "magnolia_limited_permissions@12.34": {
      "updates": [
        { "version": "3.1.4.1",
            "update_link": "https://gitlab.com/magnolia1234/bpc-uploads/-/raw/master/bypass_paywalls_clean-3.1.4.1-custom.xpi" }
        ]
    }
  }
}