Bump pigeon from 17.3.0 to 18.0.1 in /add_to_app/books/flutter_module_books (#2270)

Bumps [pigeon](https://github.com/flutter/packages/tree/main/packages) from 17.3.0 to 18.0.1.
<details>
<summary>Commits</summary>
<ul>
<li><a href="9a94bfd2cc"><code>9a94bfd</code></a> Fix unnecessary toList/fromList calls during encode/decode process (<a href="https://github.com/flutter/packages/tree/main/packages/issues/6426">#6426</a>)</li>
<li><a href="f4719ca2fe"><code>f4719ca</code></a> [in_app_purchase] implement countryCode correctly (<a href="https://github.com/flutter/packages/tree/main/packages/issues/6636">#6636</a>)</li>
<li><a href="6e6082660b"><code>6e60826</code></a> [webview_flutter_android] Fixes iframe navigation with <code>onNavigationRequest</code> ...</li>
<li><a href="d5205191f8"><code>d520519</code></a> [go_router_builder] Tweaks for latest analyzer-6.5.0 (<a href="https://github.com/flutter/packages/tree/main/packages/issues/6632">#6632</a>)</li>
<li><a href="ebd138dc43"><code>ebd138d</code></a> [flutter_adaptive_scaffold] use <code>MediaQuery.sizeOf</code> instead of `MediaQuery.of...</li>
<li><a href="af6fae43db"><code>af6fae4</code></a> [image_picker] Update documentation to note that Photo Picker use is non-opti...</li>
<li><a href="cc47b06b43"><code>cc47b06</code></a> [google_maps_flutter_web] Add marker clustering support (<a href="https://github.com/flutter/packages/tree/main/packages/issues/6187">#6187</a>)</li>
<li><a href="bc6c186a87"><code>bc6c186</code></a> [google_maps_flutter_android] Add marker clustering support (<a href="https://github.com/flutter/packages/tree/main/packages/issues/6185">#6185</a>)</li>
<li><a href="9aa04eb886"><code>9aa04eb</code></a> [go_router] Don't log if <code>hierarchicalLoggingEnabled</code> is <code>true</code>  (<a href="https://github.com/flutter/packages/tree/main/packages/issues/6019">#6019</a>)</li>
<li><a href="8f3577460d"><code>8f35774</code></a> [file_selector_android] Update <code>LICENSE</code> file to include newly added licensed...</li>
<li>Additional commits viewable in <a href="https://github.com/flutter/packages/commits/pigeon-v18.0.1/packages">compare view</a></li>
</ul>
</details>
<br />

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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 <18.0.0"
+  pigeon: ">=11.0.0 <19.0.0"
   flutter_test:
     sdk: flutter