flake.lock: Update

Flake lock file updates:

• Updated input 'dream2nix':
    'github:nix-community/dream2nix/262198033e23e9ee832f0cc8133d38f07598f555' (2023-12-13)
  → 'github:nix-community/dream2nix/3065f503444343714c4d63788dcd90dc4c2606a3' (2024-02-16)
• 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/6e2f00c83911461438301db0dba5281197fe4b3a' (2024-02-17)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/20fd62b0891707a1db8117d09fc3e65a1cd0f6d7' (2023-12-19)
  → 'github:oxalica/rust-overlay/c77e68d33a84ce3f9e86905c0f2ef78d5defad28' (2024-02-17)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/e19071f9958c8da4f4347d3d78790d97e98ba22f' (2023-12-02)
  → 'github:Mic92/sops-nix/48afd3264ec52bee85231a7122612e2c5202fa74' (2024-02-13)
• Updated input 'sops-nix/nixpkgs-stable':
    'github:NixOS/nixpkgs/dfb95385d21475da10b63da74ae96d89ab352431' (2023-11-25)
  → 'github:NixOS/nixpkgs/d8cd80616c8800feec0cab64331d7c3d5a1a6d98' (2024-02-10)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/e82f32aa7f06bbbd56d7b12186d555223dc399d1' (2023-11-12)
  → 'github:numtide/treefmt-nix/ac599dab59a66304eb511af07b3883114f061b9d' (2024-02-07)