[Snyk] Fix for 11 vulnerabilities

[bashtage]

Snyk has created this PR to fix 11 vulnerabilities in the pip dependencies of this project.

Snyk changed the following file(s):

• requirements-dev.txt

⚠️ Warning

``` sphinx 5.3.0 has requirement docutils<0.20,>=0.14, but you have docutils 0.20.1. notebook 6.5.7 requires pyzmq, which is not installed. jupyter-server 1.24.0 requires pyzmq, which is not installed. jupyter-console 6.6.3 requires pyzmq, which is not installed. jupyter-client 7.4.9 requires pyzmq, which is not installed. ipykernel 6.16.2 requires pyzmq, which is not installed. 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]

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• 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 99.57%. Comparing base (7f29b34) to head (9a76bbd).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #627 +/- ## ======================================= Coverage 99.57% 99.57% ======================================= Files 100 100 Lines 17281 17281 Branches 1445 1445 ======================================= Hits 17207 17207 Misses 28 28 Partials 46 46 ```

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