Update flake.lock

[jab]

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

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/dd38202cbc3eb3407239992c86347bc76b9f7250' (2023-07-01)
  → 'github:NixOS/nixpkgs/af11c51c47abb23e6730b34790fd47dc077b9eda' (2023-08-01)

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

[codecov]

Codecov Report

Merging #282 (c29c27b) into main (b673644) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main      #282   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           14        14           
  Lines          633       633           
  Branches        83        83           
=========================================
  Hits           633       633           

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