python3-iniconfig: upgrade 1.1.1 -> 2.0.0

python3-iniconfig: upgrade 1.1.1 -> 2.0.0

* Switch to hatchling build-backend
* inherit python_hatchling instead of python_setuptools_build_meta
* DEPENDS on python3-hatch-vcs-native instead of python3-setuptools-scm-native

2.0.0
======

* add support for Python 3.7-3.11
* drop support for Python 2.6-3.6
* add encoding argument defaulting to utf-8
* inline and clarify type annotations
* move parsing code from inline to extra file
* add typing overloads for helper methods

.. note::

  major release due to the major changes in python versions supported
  + changes in packaging the api is expected to be compatible

Signed-off-by: Tim Orling <tim.orling@konsulko.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>