Use default Black line length

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (9867487) 98.28% compared to head (b229760) 98.28%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #199 +/- ## ======================================= Coverage 98.28% 98.28% ======================================= Files 3 3 Lines 175 175 ======================================= Hits 172 172 Misses 3 3 ``` | [Files Changed](https://app.codecov.io/gh/srstevenson/nb-clean/pull/199?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Scott+Stevenson) | Coverage Δ | | |---|---|---| | [src/nb\_clean/\_\_init\_\_.py](https://app.codecov.io/gh/srstevenson/nb-clean/pull/199?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Scott+Stevenson#diff-c3JjL25iX2NsZWFuL19faW5pdF9fLnB5) | `100.00% <100.00%> (ø)` | | | [src/nb\_clean/cli.py](https://app.codecov.io/gh/srstevenson/nb-clean/pull/199?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Scott+Stevenson#diff-c3JjL25iX2NsZWFuL2NsaS5weQ==) | `100.00% <100.00%> (ø)` | |

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