Migrate deprecated calls on matplotlib,
    pkg_resources, pyobjcryst, distutils

pcmt: simple pre-commit hook fixes

__init__:
    noqa: F401 on gTopRefinableObjRegistry
    import. Removing it will cause potential api
    breakage on downstream users. Also Exist at
    pyobjcryst.globals

crystal.py:
    Add except type (AttributeError)
    at UpdateDisplay(self) to avoid E722.

fourier.py:
    noqa E741 on ambigous variable
    name 'l'. (hkl)

globaloptim.py:
    clarify refinableobj imports

lsq.py:
    Expose LSQ from c++ extension

powderpattern.py:
    Add except type (AttributeError)
    at UpdateDisplay(self) to avoid E722.

    Add except type (AttributeError, RuntimeError, ValueError)
    at plot() (Force immediate display) with
    warning messages "Plot refresh failed..."

    Add except type (AttributeError, RuntimeError)
    at _do_plot_hkl (Force immediate display). Nested

utils.py:
    change lambda function to def

pcmt on tests

Skpkg: update pyobjcryst

Remove codespell check for ipynb, use nbqa
    supported codespell instead.

Generate examples outputs
Add examples data files

Add attributes to iucr files in README.rst
Modify powderpattern plot functions, now back to
    original behavior

Add ipynb outputs and data, pcmt, workflows

update wheel setup