Bump mockito from 5.4.3 to 5.4.4 in /analyze (flutter#3347)

Bumps [mockito](https://github.com/dart-lang/mockito) from 5.4.3 to 5.4.4.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/dart-lang/mockito/blob/master/CHANGELOG.md">mockito's changelog</a>.</em></p>
<blockquote>
<h2>5.4.4</h2>
<ul>
<li>Use <code>posix</code> style for local imports.</li>
<li>Allow test_api ^0.7.0.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/dart-lang/mockito/commits">compare view</a></li>
</ul>
</details>
<br />

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</details>

analyze/pubspec.yaml

@@ -11,5 +11,5 @@ dependencies:
   platform: 3.1.3
 
 dev_dependencies:
-  mockito: 5.4.3
+  mockito: 5.4.4
   test_api: 0.6.1