Fixing up PyPI issues in `0.1.0a0`

[davidorme]

Description

There were some issues in the pyproject.toml settings that gave a somewhat uninspiring first release on TestPyPI.

https://test.pypi.org/project/virtual-ecosystem/0.1.1a0/

This PR fixes up a bunch of those issues to give us some properly completed metadata:

https://test.pypi.org/project/virtual-ecosystem/0.1.1a4/

Type of change

• [ ] New feature (non-breaking change which adds functionality)
• [ ] Optimization (back-end change that speeds up the code)
• [x] Bug fix (non-breaking change which fixes an issue)

[codecov-commenter]

Codecov Report

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

Project coverage is 93.19%. Comparing base (e84abd8) to head (86482a1).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #404 +/- ## ======================================= Coverage 93.19% 93.19% ======================================= Files 60 60 Lines 2953 2953 ======================================= Hits 2752 2752 Misses 201 201 ```

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