Recurring maintenance batch:

- Ringtail flake inputs refreshed (`disko`, `home-manager`, `nixpkgs`).
- Tooling deps bumped: prek hooks (trufflehog v3.95.3, kingfisher v1.101.0, ruff v0.15.14, `ansible-core` 2.21.0); fly proxy base images (nginx 1.30.1-alpine, alloy v1.16.1); `typer==0.26.2` in mise tasks.