[Snyk] Security upgrade zipp from 3.15.0 to 3.19.1

[bashtage]

Snyk has created this PR to fix 1 vulnerabilities in the pip dependencies of this project.

Snyk changed the following file(s):

• requirements-dev.txt

⚠️ Warning

``` flake8 5.0.4 has requirement importlib-metadata<4.3,>=1.1.0; python_version < "3.8", but you have importlib-metadata 6.7.0. ```

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[!IMPORTANT]

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• This PR was automatically created by Snyk using the credentials of a real user.
• Some vulnerabilities couldn't be fully fixed and so Snyk will still find them when the project is tested again. This may be because the vulnerability existed within more than one direct dependency, but not all of the affected dependencies could be upgraded.

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 88.29%. Comparing base (c678147) to head (d54158b). Report is 8 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #366 +/- ## ======================================= Coverage 88.29% 88.29% ======================================= Files 50 50 Lines 8277 8277 Branches 490 490 ======================================= Hits 7308 7308 Misses 937 937 Partials 32 32 ```

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