Bump starlette from 0.49.1 to 0.52.1 in /backend (#1657)

Bumps [starlette](https://github.com/Kludex/starlette) from 0.49.1 to
0.52.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/Kludex/starlette/releases">starlette's
releases</a>.</em></p>
<blockquote>
<h2>Version 0.52.1</h2>
<h2>What's Changed</h2>
<ul>
<li>Only use <code>typing_extensions</code> in older Python versions by
<a href="https://github.com/Kludex"><code>@​Kludex</code></a> in <a
href="https://redirect.github.com/Kludex/starlette/pull/3109">Kludex/starlette#3109</a></li>
</ul>
<hr />
<p><strong>Full Changelog</strong>: <a
href="https://github.com/Kludex/starlette/compare/0.52.0...0.52.1">https://github.com/Kludex/starlette/compare/0.52.0...0.52.1</a></p>
<h2>Version 0.52.0</h2>
<p>In this release, <code>State</code> can be accessed using
dictionary-style syntax for improved type safety (<a
href="https://redirect.github.com/Kludex/starlette/pull/3036">#3036</a>).</p>
<pre lang="python"><code>from collections.abc import AsyncIterator
from contextlib import asynccontextmanager
from typing import TypedDict
<p>import httpx</p>
<p>from starlette.applications import Starlette
from starlette.requests import Request</p>
<p>class State(TypedDict):
http_client: httpx.AsyncClient</p>
<p><a
href="https://github.com/asynccontextmanager"><code>@​asynccontextmanager</code></a>
async def lifespan(app: Starlette) -&gt; AsyncIterator[State]:
async with httpx.AsyncClient() as client:
yield {&quot;http_client&quot;: client}</p>
<p>async def homepage(request: Request[State]):
client = request.state[&quot;http_client&quot;]
# If you run the below line with mypy or pyright, it will reveal the
correct type.
reveal_type(client)  # Revealed type is 'httpx.AsyncClient'
</code></pre></p>
<p>See <a
href="https://github.com/Kludex/starlette/blob/HEAD/lifespan.md#accessing-state">Accessing
State</a> for more details.</p>
<hr />
<p><strong>Full Changelog</strong>: <a
href="https://github.com/Kludex/starlette/compare/0.51.0...0.52.0">https://github.com/Kludex/starlette/compare/0.51.0...0.52.0</a></p>
<h2>Version 0.51.0</h2>
<h2>Added</h2>
<ul>
<li>Add <code>allow_private_network</code> in
<code>CORSMiddleware</code> <a
href="https://redirect.github.com/Kludex/starlette/pull/3065">#3065</a>.</li>
</ul>
<h2>Changed</h2>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/Kludex/starlette/blob/main/docs/release-notes.md">starlette's
changelog</a>.</em></p>
<blockquote>
<h2>0.52.1 (January 18, 2026)</h2>
<h4>Fixed</h4>
<ul>
<li>Only use <code>typing_extensions</code> in older Python versions <a
href="https://redirect.github.com/Kludex/starlette/pull/3109">#3109</a>.</li>
</ul>
<h2>0.52.0 (January 18, 2026)</h2>
<p>In this release, <code>State</code> can be accessed using
dictionary-style syntax for improved type
safety (<a
href="https://redirect.github.com/Kludex/starlette/pull/3036">#3036</a>).</p>
<pre lang="python"><code>from collections.abc import AsyncIterator
from contextlib import asynccontextmanager
from typing import TypedDict
<p>import httpx</p>
<p>from starlette.applications import Starlette
from starlette.requests import Request</p>
<p>class State(TypedDict):
http_client: httpx.AsyncClient</p>
<p><a
href="https://github.com/asynccontextmanager"><code>@​asynccontextmanager</code></a>
async def lifespan(app: Starlette) -&gt; AsyncIterator[State]:
async with httpx.AsyncClient() as client:
yield {&quot;http_client&quot;: client}</p>
<p>async def homepage(request: Request[State]):
client = request.state[&quot;http_client&quot;]
# If you run the below line with mypy or pyright, it will reveal the
correct type.
reveal_type(client)  # Revealed type is 'httpx.AsyncClient'
</code></pre></p>
<p>See <a
href="https://github.com/Kludex/starlette/blob/main/docs/lifespan.md#accessing-state">Accessing
State</a> for more details.</p>
<h2>0.51.0 (January 10, 2026)</h2>
<h4>Added</h4>
<ul>
<li>Add <code>allow_private_network</code> in
<code>CORSMiddleware</code> <a
href="https://redirect.github.com/Kludex/starlette/pull/3065">#3065</a>.</li>
</ul>
<h4>Changed</h4>
<ul>
<li>Increase warning stacklevel on <code>DeprecationWarning</code> for
wsgi module <a
href="https://redirect.github.com/Kludex/starlette/pull/3082">#3082</a>.</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/Kludex/starlette/commit/e5b8a5d200504a2608bed11fe6f66b1d20b9ae2c"><code>e5b8a5d</code></a>
Version 0.52.1 (<a
href="https://redirect.github.com/Kludex/starlette/issues/3110">#3110</a>)</li>
<li><a
href="https://github.com/Kludex/starlette/commit/d02eadecb5409e9553922081ac123757849335e7"><code>d02eade</code></a>
Only use <code>typing_extensions</code> in older Python versions (<a
href="https://redirect.github.com/Kludex/starlette/issues/3109">#3109</a>)</li>
<li><a
href="https://github.com/Kludex/starlette/commit/f490b42f5fa0808ead53115a45d907c6d8e16a47"><code>f490b42</code></a>
Version 0.52.0 (<a
href="https://redirect.github.com/Kludex/starlette/issues/3107">#3107</a>)</li>
<li><a
href="https://github.com/Kludex/starlette/commit/d8c7cf9aca95b31c7a70473d03c26bc8ce33cd74"><code>d8c7cf9</code></a>
Turn <code>State</code> into a <code>Mapping</code> (<a
href="https://redirect.github.com/Kludex/starlette/issues/3036">#3036</a>)</li>
<li><a
href="https://github.com/Kludex/starlette/commit/cfce146611f7cc2b14c524b26d7e1d6cf0ddcd9f"><code>cfce146</code></a>
chore: bump coverage (<a
href="https://redirect.github.com/Kludex/starlette/issues/3103">#3103</a>)</li>
<li><a
href="https://github.com/Kludex/starlette/commit/9138e5597285c6120821a6ad862880d479f329f3"><code>9138e55</code></a>
fix: setup github pages for deployment (<a
href="https://redirect.github.com/Kludex/starlette/issues/3102">#3102</a>)</li>
<li><a
href="https://github.com/Kludex/starlette/commit/aff6df756b231c42ca088788db4bf4b193f7cc5b"><code>aff6df7</code></a>
docs: add environment for github docs (<a
href="https://redirect.github.com/Kludex/starlette/issues/3101">#3101</a>)</li>
<li><a
href="https://github.com/Kludex/starlette/commit/434bab94749b8522b08bbef3eff5fb742629d4fd"><code>434bab9</code></a>
docS: fix gh pages deploy (<a
href="https://redirect.github.com/Kludex/starlette/issues/3100">#3100</a>)</li>
<li><a
href="https://github.com/Kludex/starlette/commit/03426be1d41fc3963cd2dab5f10992e137eaf5f4"><code>03426be</code></a>
docs: replace mkdocs by zensical (<a
href="https://redirect.github.com/Kludex/starlette/issues/3098">#3098</a>)</li>
<li><a
href="https://github.com/Kludex/starlette/commit/df2ee22bc072dc19962120a7559f8fc0de7a094e"><code>df2ee22</code></a>
Version 0.51.0 (<a
href="https://redirect.github.com/Kludex/starlette/issues/3097">#3097</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/Kludex/starlette/compare/0.49.1...0.52.1">compare
view</a></li>
</ul>
</details>
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backend/pyproject.toml

@@ -25,7 +25,7 @@ dependencies = [
     "sentry-sdk==2.57.0",
     "sqlalchemy==2.0.44",
     "sqlalchemy-stubs==0.4",
-    "starlette==0.49.1",
+    "starlette==0.52.1",
     "types-aiofiles==25.1.0.20251011",
     "types-passlib==1.7.7.20241221",
     "types-simplejson==3.20.0.20250218",