DOC: fix PR02 for pandas.tseries.offsets.MonthEnd methods
- [ ] xref #58536

fixes
```
pandas.tseries.offsets.BMonthEnd PR02
pandas.tseries.offsets.BusinessMonthEnd PR02
pandas.tseries.offsets.MonthEnd PR02
pandas.tseries.offsets.SemiMonthEnd PR02
```

Thanks @tuhinsharma121 