fix min deps

[mathause]

• [ ] Closes #xxx
• [ ] Tests added
• [ ] Passes isort . && black . && flake8
• [ ] Fully documented, including CHANGELOG.md

[codecov[bot]]

Codecov Report

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

Comparison is base (5cf74d8) 94.75% compared to head (9ee6fff) 92.91%. Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #91 +/- ## ========================================== - Coverage 94.75% 92.91% -1.84% ========================================== Files 7 7 Lines 381 381 ========================================== - Hits 361 354 -7 - Misses 20 27 +7 ``` | [Flag](https://app.codecov.io/gh/mathause/mplotutils/pull/91/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Mathias+Hauser) | Coverage Δ | | |---|---|---| | [min-all-deps](https://app.codecov.io/gh/mathause/mplotutils/pull/91/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Mathias+Hauser) | `?` | | | [unittests](https://app.codecov.io/gh/mathause/mplotutils/pull/91/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Mathias+Hauser) | `92.91% <ø> (-1.84%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Mathias+Hauser#carryforward-flags-in-the-pull-request-comment) to find out more.

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