feat(sdk): update dependency flutter to v3.38.6

[renovate]

This PR contains the following updates:

Package	Update	Change
flutter (source)	minor	3.35.7 → 3.38.6

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Release Notes

flutter/flutter (flutter)

v3.38.6

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v3.38.5

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• flutter/179700 Update dart to 3.10.4.

v3.38.4

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• flutter/178547 Rendering issues in the Linux desktop embedder when using Skia.
• flutter/178529 AppLocalizations getting deleted when running debug web
• flutter/178660 flutter widget-preview start can crash if .dart_tool/widget_preview_scaffold/.dart_tool doesn't exist on subsequent runs.
• flutter/175227 Flutter Web applications launched in Chrome show a warning related to --no-sandbox.
• flutter/179155 flutter widget-preview start crashes if a file named pubspec.yaml is modified outside the root of the previewed project.
• flutter/156692 flutter attach can crash if the target application disconnects unexpectedly.
• flutter/179008 flutter pub get could be spawned multiple times on MacOS when pubspec.yamls outside of the project were modified after a flutter pub get in the root project.
• flutter/178715 Running flutter test on Linux/MacOS for Android projects with build hooks fails without the desktop native tooling installed.

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.

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