chore: Bump Flutter version to 3.32.8

[g123k]

I've also updated the devcontainer config (3.32.8 is not yet available)

Changelog from 3.32.4 to 3.32.8:

3.32.8
flutter/flutter#150131 iOS users on macOS 15 may see a tool crash if permissions are missing. Can work around by enabling mDNS permissions.
flutter/flutter#155294 flutter/flutter#169506 On android Add a new api for requesting a new surface from the embedder that is different from any previously returned.
flutter/flutter#172602 Do not call hasUnifiedMemory that was introduced in macOS 10.15 on versions before 10.15.
flutter/flutter#172250 TextInput.hide call incorrectly clears the text in the active text field on iOS.

3.32.7
flutter/flutter#172121 - Fix iOS images replaced with pink fill when coming out of background.

3.32.6
flutter/flutter#171106 - When a scroll view contains a LayoutBuilder on any platform, prevent null check crash.
flutter/flutter#171239 - When using Impeller + Vulkan and transitioning between activities that use Flutter on Android, prevent a crash.
flutter/flutter#171737 - When using platform views on Android SDK 10-13 (API 29-33) prevent app crash when backgrounding and then foregrounding app.

3.32.5
flutter/flutter#170924 - Fix Flutter Windows on devices that only support OpenGL ES 2, like computers with Intel graphics cards.
flutter/flutter#170880 - Fixes unhandled exception on application shutdown in the debug adapter used by IDEs.
flutter/flutter#170846 - Fix image decode errors on iOS that could occur if a push notification triggered image decoding while the app is backgrounded.
flutter/flutter#171034 - Fixed an issue where iOS/macOS workflows may not behave as expected due to missing dev dependencies.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 5.36%. Comparing base (4d9c7fc) to head (3d9f5f4).
⚠️ Report is 976 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #6799       +/-   ##
============================================
- Coverage     9.54%    5.36%    -4.19%     
============================================
  Files          325      648      +323     
  Lines        16411   218793   +202382     
============================================
+ Hits          1567    11728    +10161     
- Misses       14844   207065   +192221     

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