Bump iniconfig from 1.1.1 to 2.0.0 (#8821)

Bumps [iniconfig](https://github.com/pytest-dev/iniconfig) from 1.1.1 to
2.0.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/pytest-dev/iniconfig/blob/main/CHANGELOG">iniconfig's
changelog</a>.</em></p>
<blockquote>
<h1>2.0.0</h1>
<ul>
<li>add support for Python 3.7-3.11</li>
<li>drop support for Python 2.6-3.6</li>
<li>add encoding argument defaulting to utf-8</li>
<li>inline and clarify type annotations</li>
<li>move parsing code from inline to extra file</li>
<li>add typing overloads for helper methods</li>
</ul>
<p>.. note::</p>
<p>major release due to the major changes in python versions supported +
changes in packaging</p>
<p>the api is expected to be compatible</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/93f5930e668c0d1ddf4597e38dd0dea4e2665e7a"><code>93f5930</code></a>
Merge pull request <a
href="https://redirect.github.com/pytest-dev/iniconfig/issues/51">#51</a>
from pytest-dev/add-deploy</li>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/942655746cf0a0183f04ba7c425b4d4683e688ea"><code>9426557</code></a>
rework deploy pipeline for hatch usage and modern checkout</li>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/5f617e30ac0c8512f13a0af44e0f94ddbddd4240"><code>5f617e3</code></a>
Merge pull request <a
href="https://redirect.github.com/pytest-dev/iniconfig/issues/49">#49</a>
from pytest-dev/rework-types</li>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/180065cec29f156b1baf9cf684ebbf3f251db073"><code>180065c</code></a>
changelog</li>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/c7d1d88a398cb64884c30fb03c6581dd2bcd1ae7"><code>c7d1d88</code></a>
add sectionwrapper get overload types</li>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/90df3d776833fcfba42c9641d73c22956f25bf37"><code>90df3d7</code></a>
hatch-vcs</li>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/df78c51bfba888c9d145fbd3d66f45b74dac0271"><code>df78c51</code></a>
pre-commit pyproject ftm</li>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/c113dd6d4c6403ae636e0d69df5b3170c2c32888"><code>c113dd6</code></a>
migrate to hatch</li>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/0253ff11d9e2ca1967df615185d0f52c983ee642"><code>0253ff1</code></a>
implement review comments</li>
<li><a
href="https://github.com/pytest-dev/iniconfig/commit/10583b86c3de36764f27e24f453eb9fe91c2ab3f"><code>10583b8</code></a>
update changelog</li>
<li>Additional commits viewable in <a
href="https://github.com/pytest-dev/iniconfig/compare/v1.1.1...v2.0.0">compare
view</a></li>
</ul>
</details>
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requirements/constraints.txt

@@ -103,7 +103,7 @@ importlib-resources==6.1.1
     # via towncrier
 incremental==24.7.2
     # via towncrier
-iniconfig==1.1.1
+iniconfig==2.0.0
     # via pytest
 jinja2==3.1.4
     # via