Bump coverage from 7.3.4 to 7.4.0 (#22)

Summary:
Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.3.4 to 7.4.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst">coverage's changelog</a>.</em></p>
<blockquote>
<h2>Version 7.4.0 — 2023-12-27</h2>
<ul>
<li>In Python 3.12 and above, you can try an experimental core based on the new
:mod:<code>sys.monitoring &lt;python:sys.monitoring&gt;</code> module by defining a
<code>COVERAGE_CORE=sysmon</code> environment variable.  This should be faster, though
plugins and dynamic contexts are not yet supported with it.  I am very
interested to hear how it works (or doesn't!) for you.</li>
</ul>
<p>.. _changes_7-3-4:</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/nedbat/coveragepy/commit/23a015c4a04bb61340273a42583f79aceb397f15"><code>23a015c</code></a> docs: sample HTML for 7.4.0</li>
<li><a href="https://github.com/nedbat/coveragepy/commit/4f020d465f03eb25bc6a470cae95efe127732849"><code>4f020d4</code></a> docs: prep for 7.4.0</li>
<li><a href="https://github.com/nedbat/coveragepy/commit/5bb88c3b05c0c4b91e0ba9318c2d8afca10b1b49"><code>5bb88c3</code></a> build: temporarily disable metacov, it's flaky now with sysmon support</li>
<li><a href="https://github.com/nedbat/coveragepy/commit/3879b97d7763efd1a18d6d918aaca7fbe660519a"><code>3879b97</code></a> docs: mention sys.monitoring support</li>
<li><a href="https://github.com/nedbat/coveragepy/commit/9a84eebc664a6c04e876c1790656aaf143e8a747"><code>9a84eeb</code></a> style: environment variable names should be monospace</li>
<li><a href="https://github.com/nedbat/coveragepy/commit/7882b8c4a2410273f2c7de5b200f11cc3b10d7b5"><code>7882b8c</code></a> refactor: clean lint and mypy for sysmon et al</li>
<li><a href="https://github.com/nedbat/coveragepy/commit/5dad1a13dc015ffead26fbe84450ea76a53cff24"><code>5dad1a1</code></a> test: test which core we get</li>
<li><a href="https://github.com/nedbat/coveragepy/commit/b7e0c342134ee2b3d01a668258f75acf7bb9edab"><code>b7e0c34</code></a> fix: don't default to sysmon yet</li>
<li><a href="https://github.com/nedbat/coveragepy/commit/e5babcf04de061c20db39f839ba8398dc8c3588a"><code>e5babcf</code></a> docs: explain the COVERAGE_*_CORE testing variables</li>
<li><a href="https://github.com/nedbat/coveragepy/commit/ebdc2777d36c48fd7fba73782931833c888262ae"><code>ebdc277</code></a> fix: use <code>core</code> more consistently than <code>tracer</code></li>
<li>Additional commits viewable in <a href="https://github.com/nedbat/coveragepy/compare/7.3.4...7.4.0">compare view</a></li>
</ul>
</details>
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Pull Request resolved: #22

Reviewed By: fried

Differential Revision: D52446344

Pulled By: itamaro

fbshipit-source-id: 4c69b7557822910a312ac7bb0613cd83f2c832ab

pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "async-timeout==4.0.3",
-    "coverage==7.3.4",
+    "coverage==7.4.0",
     "flit==3.9.0",
 ]