Bump http from 1.2.0 to 1.2.1 in /desktop_photo_search/material (#2166)

Bumps [http](https://github.com/dart-lang/http/tree/master/pkgs) from
1.2.0 to 1.2.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dart-lang/http/releases">http's
releases</a>.</em></p>
<blockquote>
<h2>package:http v1.2.1</h2>
<ul>
<li>Require Dart <code>^3.3</code></li>
<li>Require <code>package:web</code> <code>^0.5.0</code>.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/dart-lang/http/commits/http-v1.2.1/pkgs">compare
view</a></li>
</ul>
</details>
<br />


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desktop_photo_search/material/pubspec.yaml

@@ -14,7 +14,7 @@ dependencies:
   flutter:
     sdk: flutter
   flutter_simple_treeview: ^3.0.2
-  http: ^1.1.0
+  http: ^1.2.1
   logging: ^1.2.0
   menubar:
     git: