flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/4524271976b625a4a605beefd893f270620fd751?narHash=sha256-%2BuWLQZccFHwqpGqr2Yt5VsW/PbeJVTn9Dk6SHWhNRPw%3D' (2025-09-01)
  → 'github:hercules-ci/flake-parts/864599284fc7c0ba6357ed89ed5e2cd5040f0c04?narHash=sha256-TmWcdiUUaWk8J4lpjzu4gCGxWY6/Ok7mOK4fIFfBuU4%3D' (2025-10-20)
• Updated input 'home-manager':
    'github:nix-community/home-manager/c75fd8e300b79502b8eecdacd8a426b12fadb460?narHash=sha256-Efi3THvsIS6Qd97s52/PSSHWybDlSbtUZXP8l3AR9Ps%3D' (2025-09-28)
  → 'github:nix-community/home-manager/1830716059bfee7cbcfbfcc38d7be98e482a5762?narHash=sha256-nY4vyN1QdHhC5Gj3545fI2Y7FSr/gs8ID4gPmF8HPww%3D' (2025-10-26)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e643668fd71b949c53f8626614b21ff71a07379d?narHash=sha256-NY3kSorgqE5LMm1LqNwGne3ZLMF2/ILgLpFr1fS4X3o%3D' (2025-09-24)
  → 'github:NixOS/nixpkgs/6a08e6bb4e46ff7fcbb53d409b253f6bad8a28ce?narHash=sha256-Q/uhWNvd7V7k1H1ZPMy/vkx3F8C13ZcdrKjO7Jv7v0c%3D' (2025-10-25)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/9ac51832c70f2ff34fcc97b05fa74b4a78317f9e?narHash=sha256-53VP3BqMXJqD1He1WADTFyUnpta3mie56H7nC59tSic%3D' (2025-09-28)
  → 'github:Mic92/sops-nix/5a7d18b5c55642df5c432aadb757140edfeb70b3?narHash=sha256-ee2e1/AeGL5X8oy/HXsZQvZnae6XfEVdstGopKucYLY%3D' (2025-10-20)

Author: github-actions[bot]