flake.lock: Update

Flake lock file updates:

• Updated input 'dream2nix':
    'github:nix-community/dream2nix/262198033e23e9ee832f0cc8133d38f07598f555' (2023-12-13)
  → 'github:nix-community/dream2nix/06675abc58d707a20defdacc940c308d58dd7f01' (2024-02-27)
• Updated input 'flake-utils':
    'github:numtide/flake-utils/ff7b65b44d01cf9ba6a71320833626af21126384' (2023-09-12)
  → 'github:numtide/flake-utils/1ef2e671c3b0c19053962c07dbda38332dcebf26' (2024-01-15)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/886c9aee6ca9324e127f9c2c4e6f68c2641c8256' (2023-12-18)
  → 'github:NixOS/nixpkgs/8520c158aee718c6e87b56881105fc4223c3c723' (2024-02-27)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/cbdf3e5bb205ff2ca165fe661fbd6d885cbd0106' (2024-02-26)
  → 'github:oxalica/rust-overlay/1a618c62479a6896ac497aaa0d969c6bd8e24911' (2024-02-27)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/e19071f9958c8da4f4347d3d78790d97e98ba22f' (2023-12-02)
  → 'github:Mic92/sops-nix/a1c8de14f60924fafe13aea66b46157f0150f4cf' (2024-02-26)
• Updated input 'sops-nix/nixpkgs-stable':
    'github:NixOS/nixpkgs/dfb95385d21475da10b63da74ae96d89ab352431' (2023-11-25)
  → 'github:NixOS/nixpkgs/89a2a12e6c8c6a56c72eb3589982c8e2f89c70ea' (2024-02-25)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/e82f32aa7f06bbbd56d7b12186d555223dc399d1' (2023-11-12)
  → 'github:numtide/treefmt-nix/e497a9ddecff769c2a7cbab51e1ed7a8501e7a3a' (2024-02-25)