Bump maggma from 0.63.3 to 0.63.4 (#1800)

Bumps [maggma](https://github.com/materialsproject/maggma) from 0.63.3
to 0.63.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/materialsproject/maggma/releases">maggma's
releases</a>.</em></p>
<blockquote>
<h2>v0.63.4</h2>
<p>Version 0.63.4</p>
<h3>Commits</h3>
<ul>
<li>[d83341e1] Merge pull request <a
href="https://redirect.github.com/materialsproject/maggma/issues/929">#929</a>
from kbuma/bugfix/handle-NaN-NaT</li>
<li>[33806c1c] write all NaN and NaT Dataframe created values as
null</li>
<li>[767a0248] Updated CHANGELOG.md</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/materialsproject/maggma/blob/main/docs/CHANGELOG.md">maggma's
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/materialsproject/maggma/tree/v0.63.4">v0.63.4</a>
(2024-02-29)</h2>
<p><a
href="https://github.com/materialsproject/maggma/compare/v0.63.3...v0.63.4">Full
Changelog</a></p>
<p><strong>Merged pull requests:</strong></p>
<ul>
<li>write all NaN and NaT Dataframe created values as null <a
href="https://redirect.github.com/materialsproject/maggma/pull/929">#929</a>
(<a href="https://github.com/kbuma">kbuma</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/materialsproject/maggma/commit/d83341e1b89c59d61c4869ea8023125320cd4cda"><code>d83341e</code></a>
Merge pull request <a
href="https://redirect.github.com/materialsproject/maggma/issues/929">#929</a>
from kbuma/bugfix/handle-NaN-NaT</li>
<li><a
href="https://github.com/materialsproject/maggma/commit/33806c1c86bbec30fee8377f94eb22fcc2f2aa74"><code>33806c1</code></a>
write all NaN and NaT Dataframe created values as null</li>
<li><a
href="https://github.com/materialsproject/maggma/commit/767a02481b8df4ca5a8e5a67348b588a8059a4c9"><code>767a024</code></a>
Updated CHANGELOG.md</li>
<li>See full diff in <a
href="https://github.com/materialsproject/maggma/compare/v0.63.3...v0.63.4">compare
view</a></li>
</ul>
</details>
<br />


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tests/requirements.txt

@@ -2,7 +2,7 @@ git+https://gitlab.com/ase/ase.git
 cclib==1.8
 custodian==2024.2.15
 emmet-core==0.77.1
-maggma==0.63.3
+maggma==0.63.4
 monty==2024.2.26
 numpy==1.26.4
 psutil==5.9.8