Bump pip from 23.2 to 23.2.1 (PR #6300)

Bumps [pip](https://github.com/pypa/pip) from 23.2 to 23.2.1.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/pypa/pip/blob/main/NEWS.rst">pip's changelog</a>.</em></p>
<blockquote>
<h1>23.2.1 (2023-07-22)</h1>
<h2>Bug Fixes</h2>
<ul>
<li>Disable PEP 658 metadata fetching with the legacy resolver. (<code>[#12156](pypa/pip#12156) &lt;https://github.com/pypa/pip/issues/12156&gt;</code>_)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/pypa/pip/commit/4a79e65cb6aac84505ad92d272a29f0c3c1aedce"><code>4a79e65</code></a> Bump for release</li>
<li><a href="https://github.com/pypa/pip/commit/81a0711192c32126a7b11d6898677274cdbc40b5"><code>81a0711</code></a> Update AUTHORS.txt</li>
<li><a href="https://github.com/pypa/pip/commit/1d4674c38950fe01d138a57524799473a2341bb7"><code>1d4674c</code></a> Merge pull request <a href="https://redirect.github.com/pypa/pip/issues/12163">#12163</a> from pfmoore/fix_12156</li>
<li><a href="https://github.com/pypa/pip/commit/39aa7ed50e26d77a4a277fa525add44b6f7b3bcd"><code>39aa7ed</code></a> Fix a direct creation of RequirementPreparer in the tests</li>
<li><a href="https://github.com/pypa/pip/commit/c12139de9b51da9947d3b36b4f0e2e0c8f467663"><code>c12139d</code></a> Disable PEP 658 for the legacy resolver</li>
<li><a href="https://github.com/pypa/pip/commit/593b85f4abd30688648436bb9baca3b8f7b32b51"><code>593b85f</code></a> Use strict optional checking in misc.py (<a href="https://redirect.github.com/pypa/pip/issues/11382">#11382</a>)</li>
<li><a href="https://github.com/pypa/pip/commit/b252ad819bc7b998508a7ed8789b60dceddfd603"><code>b252ad8</code></a> Merge pull request <a href="https://redirect.github.com/pypa/pip/issues/12148">#12148</a> from mtreinish/patch-1</li>
<li><a href="https://github.com/pypa/pip/commit/26814251c04f459dce8e9502aa42eebdb125ee20"><code>2681425</code></a> Correct typo in 23.2 Changelog Bug Fixes</li>
<li><a href="https://github.com/pypa/pip/commit/1d5b12063d8656a2d1c2eebaee83ed530b642e48"><code>1d5b120</code></a> Merge pull request <a href="https://redirect.github.com/pypa/pip/issues/12145">#12145</a> from pfmoore/release/23.2</li>
<li><a href="https://github.com/pypa/pip/commit/b6a2670599ded25ffcebc33b5c8b583ccef87f27"><code>b6a2670</code></a> Bump for development</li>
<li>See full diff in <a href="https://github.com/pypa/pip/compare/23.2...23.2.1">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=pip&package-manager=pip&previous-version=23.2&new-version=23.2.1)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

</details>

changelogs/unreleased/6300-dependabot.yml

@@ -0,0 +1,5 @@
+change-type: patch
+description: Bump pip from 23.2 to 23.2.1
+destination-branches:
+- iso6
+sections: {}

requirements.txt

@@ -13,7 +13,7 @@ jinja2==3.1.2
 more-itertools==9.1.0
 netifaces==0.11.0
 packaging==23.1
-pip==23.2
+pip==23.2.1
 ply==3.11
 pydantic==1.10.11
 pyformance==0.4