Bump pigeon from 11.0.1 to 12.0.0 in /add_to_app/books/flutter_module_books (#2035)

Bumps [pigeon](https://github.com/flutter/packages/tree/main/packages) from 11.0.1 to 12.0.0.
<details>
<summary>Commits</summary>
<ul>
<li><a href="d654f7597f"><code>d654f75</code></a> [pigeon] FlutterApi error handling (<a href="https://github.com/flutter/packages/tree/main/packages/issues/5008">#5008</a>)</li>
<li><a href="a66be0e170"><code>a66be0e</code></a> [webview_flutter] [webview_flutter_wkwebview]Fix race condition in flaky test...</li>
<li><a href="c7008cf088"><code>c7008cf</code></a> [webview_flutter_wkwebview] Fixes bug where `WebkitWebViewController.getUserA...</li>
<li><a href="cfe0c21270"><code>cfe0c21</code></a> [flutter_markdown] Code decoration (<a href="https://github.com/flutter/packages/tree/main/packages/issues/5060">#5060</a>)</li>
<li><a href="35732b672d"><code>35732b6</code></a> [webview_flutter] Exposes missing <code>JavaScriptLogLevel</code> from platform interfac...</li>
<li><a href="c9333980f2"><code>c933398</code></a> [webview_flutter] Adds app facing implementation to override console log (<a href="https://github.com/flutter/packages/tree/main/packages/issues/4705">#4705</a>)</li>
<li><a href="f68661d325"><code>f68661d</code></a> [webview_flutter] Add a method for getting the user agent (<a href="https://github.com/flutter/packages/tree/main/packages/issues/4472">#4472</a>)</li>
<li><a href="41a3ec2b8a"><code>41a3ec2</code></a> [webview_flutter_android] Fix race condition in flaky test (<a href="https://github.com/flutter/packages/tree/main/packages/issues/5037">#5037</a>)</li>
<li><a href="b3138a69a8"><code>b3138a6</code></a> [webview_flutter_android][webview_flutter_wkwebview] Adds support for `getUse...</li>
<li><a href="8483ac23a3"><code>8483ac2</code></a> [camera] Dispose resources correctly on setDescription (<a href="https://github.com/flutter/packages/tree/main/packages/issues/4003">#4003</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/flutter/packages/commits/pigeon-v12.0.0/packages">compare view</a></li>
</ul>
</details>
<br />

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</details>

add_to_app/books/flutter_module_books/pubspec.yaml

@@ -15,7 +15,7 @@ dependencies:
 dev_dependencies:
   analysis_defaults:
     path: ../../../analysis_defaults
-  pigeon: ^11.0.0
+  pigeon: ">=11.0.0 <13.0.0"
   flutter_test:
     sdk: flutter