Bump pip from 22.0.3 to 22.0.4 (PR #3967)

Bumps [pip](https://github.com/pypa/pip) from 22.0.3 to 22.0.4.
<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>22.0.4 (2022-03-06)</h1>
<h2>Deprecations and Removals</h2>
<ul>
<li>Drop the doctype check, that presented a warning for index pages that use non-compliant HTML 5. (<code>[#10903](pypa/pip#10903) &lt;https://github.com/pypa/pip/issues/10903&gt;</code>_)</li>
</ul>
<h2>Vendored Libraries</h2>
<ul>
<li>Downgrade distlib to 0.3.3.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/pypa/pip/commit/29ddc93ee8f33f4e1c7402a16b32bdf5b61c7369"><code>29ddc93</code></a> Bump for release</li>
<li><a href="https://github.com/pypa/pip/commit/c14946891cf4b6adb6c33a18c65dc4627fc80aa4"><code>c149468</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10943">#10943</a> from pradyunsg/downgrade-distlib</li>
<li><a href="https://github.com/pypa/pip/commit/6c17e27772f8e3d5d4e8732dc8c9e6e516a6575e"><code>6c17e27</code></a> Drop the doctype check (<a href="https://github-redirect.dependabot.com/pypa/pip/issues/10906">#10906</a>)</li>
<li>See full diff in <a href="https://github.com/pypa/pip/compare/22.0.3...22.0.4">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=22.0.3&new-version=22.0.4)](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/3967-dependabot.yml

@@ -0,0 +1,5 @@
+change-type: patch
+description: Bump pip from 22.0.3 to 22.0.4
+destination-branches:
+- master
+sections: {}

requirements.txt

@@ -12,7 +12,7 @@ jinja2==3.0.3
 more-itertools==8.12.0
 netifaces==0.11.0
 packaging==21.3
-pip==22.0.3
+pip==22.0.4
 ply==3.11
 pydantic==1.9.0
 pyformance==0.4