Reading package lists... Done
E: Failed to fetch https://dl.cloudsmith.io/public/caddy/stable/deb/debian/dists/any-version/InRelease 402 Payment Required [IP: 2600:9000:275b:4a00:e:f4d2:20c0:93a1 443]
E: The repository 'https://dl.cloudsmith.io/public/caddy/stable/deb/debian any-version InRelease' is no longer signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.