Update dependency iniconfig to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
iniconfig	==1.1.1 -> ==2.0.0

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Release Notes

pytest-dev/iniconfig (iniconfig)

v2.0.0

Compare Source

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• 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

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[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (614fc29) 100.00% compared to head (45e14c7) 100.00%.

Additional details and impacted files

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  Coverage   100.00%   100.00%           
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  Files            6         6           
  Lines          141       141           
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  Hits           141       141           

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unit	100.00% <ø> (ø)

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