`services.forgejo.secrets` is a small wrapper over systemd's `LoadCredential=`. It has the same structure (sections/keys) as
`services.forgejo.settings` but takes file paths that will be read before service startup instead of some plaintext value.
-`forgejo` and `forgejo-lts` no longer support the opt-in feature [PAM (Pluggable Authentication Module)](https://forgejo.org/docs/latest/user/authentication/#pam-pluggable-authentication-module).
-`services.ddclient.use` has been deprecated: `ddclient` now supports separate IPv4 and IPv6 configuration. Use `services.ddclient.usev4` and `services.ddclient.usev6` instead.
-`teleport` has been upgraded from major version 15 to major version 16.