Support for CKAN 2.10

[thorge]

To support CKAN version 2.10, it is necessary to update the event trigger from after_show to after_dataset_show in:

ckanext-qa/ckanext/qa/plugin/__init__.py

Line 87 in 1731b59

def after_show(self, context, pkg_dict):

This modification aligns with the deprecations and changes outlined in the CKAN Changelog for Version 2.10:

There might be other potential deprecations and adjustments related to CKAN 2.10 and the transition from Python 2 to Python 3. There's also an existing PR, currently not including the changes outlined above.