CI: fix failing  pre-commit
- [ ] closes #xxxx
- [ ] tests added / passed
- [ ] passes `black pandas`
- [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

The npdev CI failure is unrelated, so I'm OK with merging @simonjayhawkins. But have you seen it before?

```
=================================== FAILURES ===================================
________________ test_raw_roundtrip[\u03a9\u0153\u2211\xb4...] _________________
[gw0] linux -- Python 3.8.5 /home/vsts/miniconda3/envs/pandas-dev/bin/python

data = 'Ωœ∑´...'

    @pytest.mark.single
    @pytest.mark.clipboard
    @pytest.mark.parametrize("data", ["\U0001f44d...", "Ωœ∑´...", "abcd..."])
    def test_raw_roundtrip(data):
        # PR #25040 wide unicode wasn't copied correctly on PY3 on windows
        clipboard_set(data)
>       assert data == clipboard_get()
E       AssertionError: assert 'Ωœ∑´...' == '👍...'
E         - 👍...
E         + Ωœ∑´...

pandas/tests/io/test_clipboard.py:259: AssertionError
------------ generated xml file: /home/vsts/work/1/s/test-data.xml -------------
``` > But have you seen it before?

not that I'm aware of. OK, let's see if it goes away.