Update pluggy requirement from <=1.3.0 to <=1.4.0 in /backend (#468)

Updates the requirements on
[pluggy](https://github.com/pytest-dev/pluggy) to permit the latest
version.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/pytest-dev/pluggy/blob/main/CHANGELOG.rst">pluggy's
changelog</a>.</em></p>
<blockquote>
<h1>pluggy 1.4.0 (2024-01-24)</h1>
<h2>Features</h2>
<ul>
<li>
<p><code>[#463](pytest-dev/pluggy#463)
&lt;https://github.com/pytest-dev/pluggy/issues/463&gt;</code>_: A
warning :class:<code>~pluggy.PluggyTeardownRaisedWarning</code> is now
issued when an old-style hookwrapper raises an exception during
teardown.
See the warning documentation for more details.</p>
</li>
<li>
<p><code>[#471](pytest-dev/pluggy#471)
&lt;https://github.com/pytest-dev/pluggy/issues/471&gt;</code>_: Add
:func:<code>PluginManager.unblock
&lt;pluggy.PluginManager.unblock&gt;</code> method to unblock a plugin
by plugin name.</p>
</li>
</ul>
<h2>Bug Fixes</h2>
<ul>
<li>
<p><code>[#441](pytest-dev/pluggy#441)
&lt;https://github.com/pytest-dev/pluggy/issues/441&gt;</code>_: Fix
:func:<code>~pluggy.HookCaller.call_extra()</code> extra methods getting
ordered before everything else in some circumstances. Regressed in
pluggy 1.1.0.</p>
</li>
<li>
<p><code>[#438](pytest-dev/pluggy#438)
&lt;https://github.com/pytest-dev/pluggy/issues/438&gt;</code>_: Fix
plugins registering other plugins in a hook when the other plugins
implement the same hook itself. Regressed in pluggy 1.1.0.</p>
</li>
</ul>
<h1>pluggy 1.3.0 (2023-08-26)</h1>
<h2>Deprecations and Removals</h2>
<ul>
<li><code>[#426](pytest-dev/pluggy#426)
&lt;https://github.com/pytest-dev/pluggy/issues/426&gt;</code>_: Python
3.7 is no longer supported.</li>
</ul>
<h2>Features</h2>
<ul>
<li>
<p><code>[#428](pytest-dev/pluggy#428)
&lt;https://github.com/pytest-dev/pluggy/issues/428&gt;</code>_: Pluggy
now exposes its typings to static type checkers.</p>
<p>As part of this, the following changes are made:</p>
<ul>
<li>Renamed <code>_Result</code> to <code>Result</code>, and exported as
:class:<code>pluggy.Result</code>.</li>
<li>Renamed <code>_HookRelay</code> to <code>HookRelay</code>, and
exported as :class:<code>pluggy.HookRelay</code>.</li>
<li>Renamed <code>_HookCaller</code> to <code>HookCaller</code>, and
exported as :class:<code>pluggy.HookCaller</code>.</li>
<li>Exported <code>HookImpl</code> as
:class:<code>pluggy.HookImpl</code>.</li>
<li>Renamed <code>_HookImplOpts</code> to <code>HookimplOpts</code>, and
exported as :class:<code>pluggy.HookimplOpts</code>.</li>
<li>Renamed <code>_HookSpecOpts</code> to <code>HookspecOpts</code>, and
exported as :class:<code>pluggy.HookspecOpts</code>.</li>
<li>Some fields and classes are marked <code>Final</code> and
<code>@Final</code>.</li>
<li>The :ref:<code>api-reference</code> is updated to clearly delineate
pluggy's public API.</li>
</ul>
<p>Compatibility aliases are put in place for the renamed types.
We do not plan to remove the aliases, but we strongly recommend to only
import from <code>pluggy.*</code> to ensure future compatibility.</p>
<p>Please note that pluggy is currently unable to provide strong typing
for hook calls, e.g. <code>pm.hook.my_hook(...)</code>,
nor to statically check that a hook implementation matches the hook
specification's type.</p>
</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/2efd28ef5dcd8b7ad44a41777ce640debbbf9c39"><code>2efd28e</code></a>
Preparing release 1.4.0</li>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/ebeb2f2e7865369e48d953c3dff1789d448f104e"><code>ebeb2f2</code></a>
Merge pull request <a
href="https://redirect.github.com/pytest-dev/pluggy/issues/471">#471</a>
from bluetech/unblock</li>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/3a28b4d7a6d07ff3b3263ac2909be804323f578c"><code>3a28b4d</code></a>
Merge pull request <a
href="https://redirect.github.com/pytest-dev/pluggy/issues/464">#464</a>
from bluetech/hookwrapper-teardown-warning</li>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/4331b7a164b6f0e79d2e64c8144e9bcb077f3a16"><code>4331b7a</code></a>
Merge pull request <a
href="https://redirect.github.com/pytest-dev/pluggy/issues/473">#473</a>
from bluetech/iterator-invalidation</li>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/7aef3e608fddc57648daffaec23432e6893f26ff"><code>7aef3e6</code></a>
hooks: fix plugins registering other plugins in a hook</li>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/cc36605090dfa090777b3d69ca91132ad852c6f2"><code>cc36605</code></a>
Merge pull request <a
href="https://redirect.github.com/pytest-dev/pluggy/issues/472">#472</a>
from bluetech/call-extra-ordering-fix</li>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/443fee6d7a30ca694aa2eec77bde4aea9356efa0"><code>443fee6</code></a>
hooks: fix <code>call_extra</code> extra methods getting ordered before
everything else</li>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/4577b459a9043ba283e0d7a39beeddd627cc54a0"><code>4577b45</code></a>
hooks: add comment describing <code>_hookimpls</code>'s
format/invariants.</li>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/13b3661080cd3f6dcae1dedbceac6814b740c6dc"><code>13b3661</code></a>
Add <code>PluginManager.unblock</code> method to unblock a name</li>
<li><a
href="https://github.com/pytest-dev/pluggy/commit/4b5b2d4ede425742d99ebb6539c42517a4401dc0"><code>4b5b2d4</code></a>
CHANGELOG: fix errors in 1.0.0 entry</li>
<li>Additional commits viewable in <a
href="https://github.com/pytest-dev/pluggy/compare/0.3.0...1.4.0">compare
view</a></li>
</ul>
</details>
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backend/Pipfile

@@ -33,7 +33,7 @@ uvicorn = ">=0.20.0"
 [dev-packages]
 aioresponses = ">=0.7.4"
 mypy = ">=1.3.1"
-pluggy = "<=1.3.0"
+pluggy = "<=1.4.0"
 pylint = ">=2.15.10"
 pytest = "<=8.0.0"
 pytest-asyncio = "<=0.21.1"