upgrade: update dependency flutter to v3.47.6

[renovate]

This PR contains the following updates:

Package	Update	Change	Pending
flutter (source)	patch	3.47.1 → 3.47.6	3.47.7

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Release Notes

flutter/flutter (flutter)

v3.47.6

Compare Source

• flutter/192513 Fixed an issue that caused Windows production apps to hang.

v3.47.5

Compare Source

• flutter/190307 When debugging on physical iOS 27 devices, app occasionally crashes.
• flutter/191242 When re-expanding a preview group in the Widget Previewer, previews crash due to a type error in scroll restoration.
• flutter/189507 When Dart Development Service encounters a startup failure, flutter_tools crashes with an unhandled FormatException.

v3.47.4

Compare Source

• flutter/191899 When Windows Smart App Control or security policies block binary execution on Windows, gracefully handle the error with an actionable message instead of crashing.
• flutter/192120 Fixes missing preview reload timing analytics in LspPreviewDetector across all platforms.
• flutter/181560 When building iOS and macOS app, SwiftPM migration warnings and errors are not tracked in analytics.
• flutter/191964 On iOS, apps bundling native assets fail App Store submission when native libraries are compiled with deployment targets above iOS 13.
• flutter/189284 When debugging with Xcode 27, the app may launch to a white screen and hang for multiple minutes.
• flutter/190465 When running WebAssembly dry-run builds on Web, remove redundant experiment flag warning that dropped telemetry error findings.
• flutter/191898 When remote test processes emit plain-text error output on all platforms, prevent flutter_tools from crashing with an unhandled FormatException.

v3.47.3

Compare Source

• flutter/191045 When calling Actions.handler on all platforms, null was always returned.
• flutter/181315 When using Impeller on Android devices with B-Series PowerVR GPUs, visual oddities and performance drops can be experienced.
• flutter/191176 When building for macOS or iOS on machines with missing or incomplete Xcode installations, flutter_tools displays an actionable error message instead of crashing with an unhandled ProcessException.
• flutter/191487 When using Android SDK Command-line Tools 23.0+ for Android, flutter doctor incorrectly reports "Android license status unknown".

v3.47.2

Compare Source

• flutter/191179 When WebSocket upgrade fails during DDS startup on web, handle the DartDevelopmentServiceException gracefully instead of crashing.
• flutter/190518 Fix memory leak caused by processing touch events on Linux.
• flutter/188265 iOS or macOS builds may fail when Swift Package Manager is enabled.
• flutter/190846 When building an existing native iOS app that's integrated with Flutter using SwiftPM on Xcode 27, it may fail to build Flutter's Swift packages.
• flutter/187925 On Linux, fix header elements not being announced by screen reader.
• flutter/190774 When using external textures on Windows, a crash could occur when the engine paints them.
• flutter/191177 The Flutter tool crashes if a configured custom device ping times out.
• flutter/190987 Updates libpng to fix security vulnerability.
• flutter/191060 When analysis_options.yaml contains flow-style exclude: sequences, AnalysisOptionsMigration converts the node to block style before appending to avoid YamlEditor assertion crashes.
• flutter/191131 Only exclude platform directories that actually exist from analysis, so web/** sources in Dart web packages are no longer silently dropped.
• flutter/191198 On Windows, truncate lastCompiled timestamp to whole seconds in ProjectFileInvalidator so rapid consecutive file modifications within the same second are not silently ignored by hot reload.
• flutter/152236 On desktop platforms, forward --build-name and --build-number flags to the desktop build pipeline so generated version.json reflects command-line build version parameters.
• flutter/191205 Prevent StateError: Bad state: Future already completed in Symbolizer during stack symbolization.
• flutter/191178 Handle HttpException during VM service connection retries and ensure typed exceptions are passed to error completers.

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