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/b60793b86201040d9dee019a05089a9150d08b5b?narHash=sha256-PlL/yXNX/C87S2N8lF/HfOJhHForf/l7E6lVWZ4jMrw%3D' (2024-07-07)
  → 'github:NixOS/nixpkgs/aa9461550594533c29866d42f861b6ff079a7fb6?narHash=sha256-w6dlBUQYvS65f0Z33TvkcAj7ITr4NFqhF5ywss5T5bU%3D' (2024-07-10)

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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git checkout update_flake_lock_action
git commit --amend --no-edit
git push origin update_flake_lock_action --force