upgrade: update dependency flutter to v3.38.3

[renovate]

This PR contains the following updates:

Package	Update	Change	Pending
flutter (source)	minor	3.35.2 -> 3.38.3	3.38.4

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Release Notes

flutter/flutter (flutter)

v3.38.3

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• flutter/178772 Flutter engine reports a different version than the framework.
• flutter/178804 Bump Dart version to 3.10.1.

v3.38.2

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• flutter/178472 Widget preview command can crash on exit if in the middle of analyzing changes to a Dart file.
• flutter/178452 Flutter fails to build on iOS with error message: "Improperly formatted define flag" in add-to-app scenarios.
• flutter/178486 When running flutter widget-preview start with Flutter Web disabled, an exception is thrown and the widget previewer fails to start.
• flutter/178317 Running flutter pub get can crash the widget previewer when plugin dependencies are added or updated.
• flutter/178318 Certain flutter crash scenarios can result in multiple crash reports being submitted for a single process crash.
• flutter/176399 Visual Studio 2026 is not supported when compiling Windows desktop applications.
• flutter/175058 The widget previewer fails to start if flutter pub get has not been run in the target project.
• flutter/178421 When debugging from an IDE with a physical iOS 26 device, IDE installs an app but hangs on a white screen during launching.

v3.38.1

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• flutter/178400 Adds support for Dart 3.10 stable.

v3.38.0

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Learn about what's new in this release in the blog post, and check out the CHANGELOG for a detailed list of all the new changes.

v3.35.7

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• flutter/174082 Apps, on all platforms, that extend MenuController class see a compile time failure when building.
• flutter/173770 Mitigates a memory leak that occurs on Android, when Activities are not kept upon exit and an Activity is exited and re-entered.

v3.35.6

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• flutter/175669 flutter analyze --suggestions supports versions up to Java 25, Gradle 9 and AGP 9, Kotlin 2.2.20.
• flutter/172624 Fixes an issue that could result in a corrupt pipeline cache when using the Impeller Vulkan back end.

v3.35.5

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• flutter/172105 Flutter view no longer hangs after multiple transitions on iOS add-to-app.
• flutter/173106 Multiple cursors display correctly.

v3.35.4

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• flutter/173474 - On all platforms PlatformDispatchers.instance.engineId no longer returns null after hot restart.
• flutter/174513 - On iOS 26, fix a bug where platform view's gesture blocking fails and lets touches on Flutter views fall through to underlying platform views.

v3.35.3

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• flutter/172627 - Unnecessary output is printed in non-verbose mode.
• flutter/173917 - On Android, flutter build apk may fail to calculate the version code when using --build-number.
• flutter/174437 - When running a Flutter web application in debug mode, the console is spammed with non-fatal error messages.
• flutter/174267 - Golden test failures can cause the test harness to stall.
• flutter/171691 - A race condition can cause crashes in the Impeller Vulkan back end.
• flutter/174100 - Superellipses may not render correctly when using Impeller.
• flutter/174015 - Obsolete warning and error messages are shown when switching between build modes in Xcode.

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.53%. Comparing base (b70a7aa) to head (2854e80).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #723   +/-   ##
=======================================
  Coverage   96.53%   96.53%           
=======================================
  Files          24       24           
  Lines         924      924           
=======================================
  Hits          892      892           
  Misses         32       32           

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