CI: Test clipboard on Linux via pyqt
closes https://github.com/pandas-dev/pandas/issues/52129
thx @mroeschke  I just got a segfault locally (mac) in the clipboard tests.  will keep track of it here if it recurs

update: again 2023-11-27 13:50ish
update: 2023-12-07 (forgot to record the time), 2023-12-08 13:11ish
 Again 2023-12-14 17:48 Is there a particular test where is always fails at? Does this occur when you just run the tests over all of `pandas/tests`? I don't know, current hypothesis is it involves running the tests in more than one branch at a time Just got it again. Was running tests in a bunch of windows at the time.