Update dependency flutter to v3.38.5

[renovate]

This PR contains the following updates:

Package	Update	Change
flutter (source)	patch	3.38.3 -> 3.38.5

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Release Notes

flutter/flutter (flutter)

v3.38.5

Compare Source

• flutter/179700 Update dart to 3.10.4.

v3.38.4

Compare Source

• 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.

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