flake: update inputs

[github-actions]

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

Flake lock file updates:

• Updated input 'nixpkgs-stable':
    'github:NixOS/nixpkgs/9c6b49aeac36e2ed73a8c472f1546f6d9cf1addc' (2025-01-14)
  → 'github:NixOS/nixpkgs/e24b4c09e963677b1beea49d411cd315a024ad3a' (2025-01-15)

Running GitHub Actions on this PR

GitHub Actions will not run workflows on pull requests which are opened by a GitHub Action.

To run GitHub Actions workflows on this PR, run:

git branch -D update_flake_lock_action
git fetch origin
git checkout update_flake_lock_action
git commit --amend --no-edit
git push origin update_flake_lock_action --force