prune project.toml and add compat entries

[danielinteractive]

addresses comments in https://github.com/JuliaRegistries/General/pull/104271#issuecomment-2038169346

[codecov[bot]]

Codecov Report

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

Project coverage is 95.14%. Comparing base (809e5a2) to head (ef43620).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #23 +/- ## ======================================= Coverage 95.14% 95.14% ======================================= Files 5 5 Lines 103 103 ======================================= Hits 98 98 Misses 5 5 ```

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