flake.lock: Update

Flake lock file updates:

• Updated input 'crane':
    'github:ipetkov/crane/c5b48a59ccd5179ea626f47b05d2828c37fb31b7?narHash=sha256-uU6Dq5OUgI9pEiMDwZZhvsoxYD%2B36xKIkYyFXDr//6A%3D' (2025-10-03)
  → 'github:ipetkov/crane/1979a2524cb8c801520bd94c38bb3d5692419d93?narHash=sha256-yAy4otLYm9iZ%2BNtQwTMEbqHwswSFUbhn7x826RR6djw%3D' (2025-10-08)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/7df7ff7d8e00218376575f0acdcc5d66741351ee?narHash=sha256-gTrEEp5gEspIcCOx9PD8kMaF1iEmfBcTbO0Jag2QhQs%3D' (2025-10-02)
  → 'github:nixos/nixpkgs/544961dfcce86422ba200ed9a0b00dd4b1486ec5?narHash=sha256-EVAqOteLBFmd7pKkb0%2BFIUyzTF61VKi7YmvP1tw4nEw%3D' (2025-10-15)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/bbc3a8ae797d1700e57a4f4bcc4e79af727d4138?narHash=sha256-WKnbJnm1B2%2BTO2ZUudgS39EzecQeLl4/bnRtd3y46LI%3D' (2025-10-03)
  → 'github:oxalica/rust-overlay/18234d2c11b10eaec9ccc3a1089a5ea872ec8858?narHash=sha256-Ed0cGwPZtLRiSvMx4KgPx8bhLYzn5jiJ7s5o5vj4oG0%3D' (2025-10-17)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/5eda4ee8121f97b218f7cc73f5172098d458f1d1?narHash=sha256-ySNJ008muQAds2JemiyrWYbwbG%2BV7S5wg3ZVKGHSFu8%3D' (2025-09-24)
  → 'github:numtide/treefmt-nix/761ae7aff00907b607125b2f57338b74177697ed?narHash=sha256-gq9rdocpmRZCwLS5vsHozwB6b5nrOBDNc2kkEaTXHfg%3D' (2025-10-10)

Author: littlenano