Bump treq from 23.11.0 to 24.9.1 (#17744)

Bumps [treq](https://github.com/twisted/treq) from 23.11.0 to 24.9.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/twisted/treq/releases">treq's
releases</a>.</em></p>
<blockquote>
<h2>Treq 24.9.0</h2>
<h2>Features</h2>
<ul>
<li>treq now ships type annotations. (<a
href="https://redirect.github.com/twisted/treq/issues/366">#366</a>)</li>
<li>The new <code>treq.cookies</code> module provides helper functions
for working with <code>http.cookiejar.Cookie</code> and
<code>CookieJar</code> objects. (<a
href="https://redirect.github.com/twisted/treq/issues/384">#384</a>)</li>
<li>Python 3.13 is now supported. (<a
href="https://redirect.github.com/twisted/treq/issues/391">#391</a>)</li>
</ul>
<h2>Bugfixes</h2>
<ul>
<li><code>treq.content.text_content()</code> no longer generates
deprecation warnings due to use of the <code>cgi</code> module. (<a
href="https://redirect.github.com/twisted/treq/issues/355">#355</a>)</li>
</ul>
<h2>Deprecations and Removals</h2>
<ul>
<li>Mixing the <em>json</em> argument with <em>files</em> or
<em>data</em> now raises <code>TypeError</code>. (<a
href="https://redirect.github.com/twisted/treq/issues/297">#297</a>)</li>
<li>Passing non-string (<code>str</code> or <code>bytes</code>) values
as part of a dict to the <em>headers</em> argument now results in a
<code>TypeError</code>, as does passing any collection other than a
<code>dict</code> or <code>Headers</code> instance. (<a
href="https://redirect.github.com/twisted/treq/issues/302">#302</a>)</li>
<li>Support for Python 3.7 and PyPy 3.8, which have reached end of
support, has been dropped. (<a
href="https://redirect.github.com/twisted/treq/issues/378">#378</a>)</li>
</ul>
<h2>Misc</h2>
<ul>
<li><a
href="https://redirect.github.com/twisted/treq/issues/336">#336</a>, <a
href="https://redirect.github.com/twisted/treq/issues/382">#382</a>, <a
href="https://redirect.github.com/twisted/treq/issues/395">#395</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/twisted/treq/blob/trunk/CHANGELOG.rst">treq's
changelog</a>.</em></p>
<blockquote>
<h1>24.9.1 (2024-09-19)</h1>
<h2>Bugfixes</h2>
<ul>
<li>treq has vendored its dependency on the <code>multipart</code>
library to avoid import
conflicts with <code>python-multipart</code>; it should now be
installable alongside
that library. (<code>[#399](twisted/treq#399)
&lt;https://github.com/twisted/treq/issues/399&gt;</code>__)</li>
</ul>
<h1>24.9.0 (2024-09-17)</h1>
<h2>Features</h2>
<ul>
<li>treq now ships type annotations.
(<code>[#366](twisted/treq#366)
&lt;https://github.com/twisted/treq/issues/366&gt;</code>__)</li>
<li>The new :mod:<code>treq.cookies</code> module provides helper
functions for working with <code>http.cookiejar.Cookie</code> and
<code>CookieJar</code> objects.
(<code>[#384](twisted/treq#384)
&lt;https://github.com/twisted/treq/issues/384&gt;</code>__)</li>
<li>Python 3.13 is now supported.
(<code>[#391](twisted/treq#391)
&lt;https://github.com/twisted/treq/issues/391&gt;</code>__)</li>
</ul>
<h2>Bugfixes</h2>
<ul>
<li>:mod:<code>treq.content.text_content()</code> no longer generates
deprecation warnings due to use of the <code>cgi</code> module.
(<code>[#355](twisted/treq#355)
&lt;https://github.com/twisted/treq/issues/355&gt;</code>__)</li>
</ul>
<h2>Deprecations and Removals</h2>
<ul>
<li>Mixing the <em>json</em> argument with <em>files</em> or
<em>data</em> now raises <code>TypeError</code>.
(<code>[#297](twisted/treq#297)
&lt;https://github.com/twisted/treq/issues/297&gt;</code>__)</li>
<li>Passing non-string (<code>str</code> or <code>bytes</code>) values
as part of a dict to the <em>headers</em> argument now results in a
<code>TypeError</code>, as does passing any collection other than a
<code>dict</code> or <code>Headers</code> instance.
(<code>[#302](twisted/treq#302)
&lt;https://github.com/twisted/treq/issues/302&gt;</code>__)</li>
<li>Support for Python 3.7 and PyPy 3.8, which have reached end of
support, has been dropped.
(<code>[#378](twisted/treq#378)
&lt;https://github.com/twisted/treq/issues/378&gt;</code>__)</li>
</ul>
<h2>Misc</h2>
<ul>
<li><code>[#336](twisted/treq#336)
&lt;https://github.com/twisted/treq/issues/336&gt;</code><strong>,
<code>[#382](twisted/treq#382)
&lt;https://github.com/twisted/treq/issues/382&gt;</code></strong>,
<code>[#395](twisted/treq#395)
&lt;https://github.com/twisted/treq/issues/395&gt;</code>__</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/twisted/treq/commit/caaf9fcb62992de47ad5ebcb628cce5106b8d1b1"><code>caaf9fc</code></a>
Release 24.9.1</li>
<li><a
href="https://github.com/twisted/treq/commit/9cedb088b40e5d756f1196defb46b5a7e41bf1c8"><code>9cedb08</code></a>
Merge pull request <a
href="https://redirect.github.com/twisted/treq/issues/400">#400</a> from
twisted/vendor-multipart-for-now</li>
<li><a
href="https://github.com/twisted/treq/commit/4aa1ee8a3ca5461c165ea380b1cbd0ea5b41cce4"><code>4aa1ee8</code></a>
news fragment</li>
<li><a
href="https://github.com/twisted/treq/commit/d7c16de8f522c5fc10cf2108371afce635d39e4e"><code>d7c16de</code></a>
octothorpes rise up</li>
<li><a
href="https://github.com/twisted/treq/commit/4fd3c842c21a3fa45560dc7eb41767fcbb4e653a"><code>4fd3c84</code></a>
try to make the linter happy</li>
<li><a
href="https://github.com/twisted/treq/commit/f0a5148cba2c983335758dd34ab78bff46f2dc6b"><code>f0a5148</code></a>
fix import, switch to <code>from</code></li>
<li><a
href="https://github.com/twisted/treq/commit/7f16b87f0a2574a2ef67a50e6bf89ad9941fcf4c"><code>7f16b87</code></a>
correct import</li>
<li><a
href="https://github.com/twisted/treq/commit/1526431a37745bb33982f79bb38d1d4e4554907d"><code>1526431</code></a>
add a lightly-modified vendored version of <a
href="https://github.com/defnull/multipa">https://github.com/defnull/multipa</a>...</li>
<li><a
href="https://github.com/twisted/treq/commit/7c52d4917f41291da271fd5cebf2e69e73dcee32"><code>7c52d49</code></a>
remove dependency on <code>multipart</code> package</li>
<li><a
href="https://github.com/twisted/treq/commit/ca3966f57a34fa4a3c0b3eb1a90e3f1cc1951bf3"><code>ca3966f</code></a>
Merge pull request <a
href="https://redirect.github.com/twisted/treq/issues/398">#398</a> from
twisted/397-release-24.9.0</li>
<li>Additional commits viewable in <a
href="https://github.com/twisted/treq/compare/release-23.11.0...treq-24.9.1">compare
view</a></li>
</ul>
</details>
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Quentin Gliech <[email protected]>

changelog.d/17744.misc

@@ -0,0 +1 @@
+Fix typing of a variable that is not `Unknown` anymore after updating `treq`.

synapse/http/matrixfederationclient.py

@@ -791,7 +791,7 @@ async def _send_request(
                                 url_str,
                                 _flatten_response_never_received(e),
                             )
-                            body = None
+                            body = b""
 
                         exc = HttpResponseException(
                             response.code, response_phrase, body