flake: update inputs

[github-actions]

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

Flake lock file updates:

• Updated input 'nixos-cosmic':
    'github:lilyinstarlight/nixos-cosmic/a364e6a5e9eb93253daf93c747b150e31e09b13c?narHash=sha256-c/7bsbMcVMb8c4wiLA142ZQfL08U8qYJROGf9NCkfQE%3D' (2024-12-17)
  → 'github:lilyinstarlight/nixos-cosmic/36a456823df36fcf2c554436eed0479ad158fa15?narHash=sha256-R/wXlIQk94QCA9f4d4ynky%2BhsJr0mMkPOtSbIYii5d0%3D' (2024-12-20)
• Updated input 'nixos-cosmic/nixpkgs-stable':
    'github:NixOS/nixpkgs/314e12ba369ccdb9b352a4db26ff419f7c49fa84?narHash=sha256-5fNndbndxSx5d%2BC/D0p/VF32xDiJCJzyOqorOYW4JEo%3D' (2024-12-13)
  → 'github:NixOS/nixpkgs/394571358ce82dff7411395829aa6a3aad45b907?narHash=sha256-m/lh6hYMIWDYHCAsn81CDAiXoT3gmxXI9J987W5tZrE%3D' (2024-12-16)
• Updated input 'nixos-cosmic/rust-overlay':
    'github:oxalica/rust-overlay/83ee8ff74d6294a7657320f16814754c4594127b?narHash=sha256-0aLx44yMblcOGpfFXKCzp2GhU5JaE6OTvdU%2BJYrXiUc%3D' (2024-12-16)
  → 'github:oxalica/rust-overlay/573c674a3ad06e8a525263185ebef336a411d1d5?narHash=sha256-BxQ/4JuHEi0zRjF0P8B5xnbXOLulgsK2gfwVRXGZ4a4%3D' (2024-12-19)

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