DEPS: Bump meson-python, lower pin Cython
Since we recently adopted building with Cython 3 a while back, we don't want to allow users to build pandas with a Cython version lower than that
  pandas/_libs/tslibs/ccalendar.cp313-win_amd64.pyd.p/pandas/_libs/tslibs/ccalendar.pyx.c(9749): error C2220: the following warning is treated as an error
  pandas/_libs/tslibs/ccalendar.cp313-win_amd64.pyd.p/pandas/_libs/tslibs/ccalendar.pyx.c(9749): warning C4244: '=': conversion from 'Py_ssize_t' to 'long', possible loss of data
 Is it just me or is the meson system harder to debug than the old system? > Is it just me or is the meson system harder to debug than the old system?

Yeah there's a little more indirection than before (meson-python -> meson vs just setuptools), but I understand the "standardization" of meson/cmake is better than the wild-west of using setuptools  I don't have a strong point of view on bumping Meson, although I think it would be good to keep the lower bound as is until a new feature is required.  (I definitely agree with un-pinning)

If we do need the 1.6 bump, you will also want to add that change to the `meson_version` key in the `project` function call in meson.build https://github.com/mesonbuild/meson-python/issues/716 suggested to use the jinja2 FileSystemLoader instead of PackageLoader, and it seems that @WillAyd tried that in https://github.com/pandas-dev/pandas/pull/60681. @WillAyd do you remember if that worked? > [mesonbuild/meson-python#716](https://github.com/mesonbuild/meson-python/issues/716) suggested to use the jinja2 FileSystemLoader instead of PackageLoader, and it seems that @WillAyd tried that in #60681. @WillAyd do you remember if that worked?

Just testing it out directly, seems to work fine -> https://github.com/pandas-dev/pandas/pull/62123 > Or is there a good reason to still bump that one? 

I didn't have a particular reason besides using a newer version of meson-python (which should be less consequential than bumping meson), especially for our minimum dependency build (where I should have pinned meson-python)