py-ipython: updated to 8.13.0

IPython 8.13
------------

As usual for the end of the month, minor release of IPython. This release is
significant in that it not only has a number of bugfixes, but also drop support
for Python 3.8 as per NEP 29 (:ghpull:`14023`).

All the critical bugfixes have been backported onto the 8.12.1 release (see
below). In addition to that went into 8.12.1 you'll find:

- Pretty reprensentation for ``Counter`` has been fixed to match the Python one
  and be in decreasing order. :ghpull:`14032`
- Module completion is better when jedi is disabled :ghpull:`14029`.
- Improvment of ``%%bash`` magic that would get stuck :ghpull:`14019`

(adam)