flake.lock: Update

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/25db7a6f4de7dea678620785e03fbc4560c00672?narHash=sha256-wC9PR%2BrPjmcpnPdOIDwyNwQiRhNsuDs3oZY3t42f4uA%3D' (2025-07-26)
  → 'github:nix-community/fenix/c684a289edf43cfc5cd1bea7c1b61ab9a0fba99c?narHash=sha256-6fkf0JP1OCVxmyBZRdEVQu9wBwLyTI%2BidTISoijxpQE%3D' (2025-11-15)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/51e77c9d7b9b99f7a230bf5179ef1343befd71ac?narHash=sha256-5XbVpJwiy%2Bsw1v4PXSAz4lgJnVna6xkzqyZtoHymFJA%3D' (2025-07-25)
  → 'github:rust-lang/rust-analyzer/2efc80078029894eec0699f62ec8d5c1a56af763?narHash=sha256-rMfWMCOo/pPefM2We0iMBLi2kLBAnYoB9thi4qS7uk4%3D' (2025-11-11)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/6027c30c8e9810896b92429f0092f624f7b1aace?narHash=sha256-cnL5WWn/xkZoyH/03NNUS7QgW5vI7D1i74g48qplCvg%3D' (2025-07-25)
  → 'github:NixOS/nixpkgs/1d4c88323ac36805d09657d13a5273aea1b34f0c?narHash=sha256-esRhOS0APE6k40Hs/jjReXg%2Brx%2BJ5LkWw7cuWFKlwYA%3D' (2025-11-15)

Author: github-actions[bot]