shihsama

### Description of feature Hi, Thank you for your attention to the issue I raised last time. This time, I have a suggestion for layout of plot_boxplots(). In [source code](https://github.com/scverse/pertpy/blob/da4169a10e23cbd0782537466a6dd2190ba05196/pertpy/tools/_coda/_base_coda.py#L1592):...