flake.lock: Update

[github-actions[bot]]

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

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c5187508b11177ef4278edf19616f44f21cc8c69?narHash=sha256-iMgzIeedMqf30TXZ439zW3Yvng1Xm9QTGO%2BZwG1IWSw%3D' (2024-05-25)
  → 'github:NixOS/nixpkgs/6132b0f6e344ce2fe34fc051b72fb46e34f668e0?narHash=sha256-7R2ZvOnvd9h8fDd65p0JnB7wXfUvreox3xFdYWd1BnY%3D' (2024-05-30)

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