flake.lock: Update (#1918)

Automated changes by the
[update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock)
GitHub Action.

```
Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/2cccadc7357c0ba201788ae99c4dfa90728ef5e0?narHash=sha256-LlLt2Jo/gMNYAwOgdRQBrsRoOz7BPRkzvNaI/fzXi2Q%3D' (2025-11-21)
  → 'github:hercules-ci/flake-parts/5635c32d666a59ec9a55cab87e898889869f7b71?narHash=sha256-MhA7wmo/7uogLxiewwRRmIax70g6q1U/YemqTGoFHlM%3D' (2025-12-11)
• Updated input 'git-hooks-nix':
    'github:cachix/git-hooks.nix/548fc44fca28a5e81c5d6b846e555e6b9c2a5a3c?narHash=sha256-rhSqPNxDVow7OQKi4qS5H8Au0P4S3AYbawBSmJNUtBQ%3D' (2025-12-06)
  → 'github:cachix/git-hooks.nix/09e45f2598e1a8499c3594fe11ec2943f34fe509?narHash=sha256-dixPWKiHzh80PtD0aLuxYNQ0xP%2B843dfXG/yM3OzaYQ%3D' (2025-12-11)
• Updated input 'git-hooks-nix/nixpkgs':
    'github:NixOS/nixpkgs/dc704e6102e76aad573f63b74c742cd96f8f1e6c?narHash=sha256-O7eHcgkQXJNygY6AypkF9tFhsoDQjpNEojw3eFs73Ow%3D' (2025-10-02)
  → 'github:NixOS/nixpkgs/a672be65651c80d3f592a89b3945466584a22069?narHash=sha256-EYHSjVM4Ox4lvCXUMiKKs2vETUSL5mx%2BJ2FfutM7T9w%3D' (2025-12-05)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/8d4d79a68cec95fa317751744dfaa2d1bdfc6cf1?narHash=sha256-GlzJL295FCmOCG2M4fFR8/lp6ElR8Pje1DSXsFjMtaQ%3D' (2025-12-06)
  → 'github:NixOS/nixpkgs/fb812c98a7c867a8389d165c2bed5d7a08a41478?narHash=sha256-IRV8mWrHjhCkusB2X8oNPARfvJV95GJWapKX977fqUE%3D' (2025-12-13)
• Updated input 'released-nix-stable':
    'github:nixos/nix/d7fc293353fce6cf4b785d23e6f7e73914f01283?narHash=sha256-8QYnRyGOTm3h/Dp8I6HCmQzlO7C009Odqyp28pTWgcY%3D' (2025-11-10)
  → 'github:nixos/nix/231d5b41ed1b4b65f4cb875994691a4e40b150d9?narHash=sha256-aVwmNDnTOYZZQbTy%2B%2BrYS0NOGEu9Zwljg3%2BTXJmw4TE%3D' (2025-12-10)
• Updated input 'released-nix-stable/nixpkgs':
    'github:NixOS/nixpkgs/daf6dc47aa4b44791372d6139ab7b25269184d55?narHash=sha256-wxX7u6D2rpkJLWkZ2E932SIvDJW8%2BON/0Yy8%2Ba5vsDU%3D' (2025-10-27)
  → 'https://releases.nixos.org/nixos/25.05/nixos-25.05.813095.1c8ba8d3f763/nixexprs.tar.xz?narHash=sha256-zZk7fn2ARAqmLwaYTpxBJmj81KIdz11NiWt7ydHHD/M%3D' (2025-11-24)
• Updated input 'released-nix-unstable':
    'github:nixos/nix/42d7d9676d435a85ab14abaae1339f25750674c2?narHash=sha256-Zcm%2BlPQWnuYJ2QfeEeONi6NjE3vPUCi8aGhMLiWpXJo%3D' (2025-12-06)
  → 'github:nixos/nix/a6eb2e91b70c3ad874c494fe169a498dc432dd44?narHash=sha256-SaeLFPG1EkwS6OEXCuXE3m%2BOzhrLf5x0rO/La4mItag%3D' (2025-12-13)
• Updated input 'released-nixpkgs-stable':
    'github:NixOS/nixpkgs/c97c47f2bac4fa59e2cbdeba289686ae615f8ed4?narHash=sha256-OtzF5wBvO0jgW1WW1rQU9cMGx7zuvkF7CAVJ1ypzkxA%3D' (2025-12-04)
  → 'github:NixOS/nixpkgs/09eb77e94fa25202af8f3e81ddc7353d9970ac1b?narHash=sha256-mSD5Ob7a%2BT2RNjvPvOA1dkJHGVrNVl8ZOrAwBjKBDQo%3D' (2025-12-09)
• Updated input 'released-nixpkgs-unstable':
    'github:NixOS/nixpkgs/f61125a668a320878494449750330ca58b78c557?narHash=sha256-BmPWzogsG2GsXZtlT%2BMTcAWeDK5hkbGRZTeZNW42fwA%3D' (2025-12-05)
  → 'github:NixOS/nixpkgs/2fbfb1d73d239d2402a8fe03963e37aab15abe8b?narHash=sha256-9VvC20PJPsleGMewwcWYKGzDIyjckEz8uWmT0vCDYK0%3D' (2025-12-11)
```

### 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, close and re-open this
pull request.**

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]