snapcast: 0.24.0 -> 0.25.0
snapcast: 0.24.0 -> 0.25.0

Also move boost to buildInputs, which fixes cross-compilation (an
override that sets avahi = null is also required).

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs