chore: update flake.lock

[github-actions]

Automated changes by the update-flake-lock GitHub Action.

Flake lock file updates:

• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2411.714925%2Brev-f44bd8ca21e026135061a0a57dcf3d0775b67a49/01954925-64dc-774f-8cc1-a596fc29244f/source.tar.gz?narHash=sha256-t%2BVaahjQAWyA%2BCtn2idyo1yxRIYpaDxMgHkgCNiMJa4%3D' (2025-02-26)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2505.811770%2Brev-78e34d1667d32d8a0ffc3eba4591ff256e80576e/019a23fb-89f0-7302-a573-f6bf7dde9cf5/source.tar.gz?narHash=sha256-vY2OLVg5ZTobdroQKQQSipSIkHlxOTrIF1fsMzPh8w8%3D' (2025-10-26)

Running GitHub Actions on this PR

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To run GitHub Actions workflows on this PR, run:

git branch -D update_flake_lock_action
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