chore: Bump Flutter version to 3.22

[g123k]

Hi everyone!

Nothing really interesting for us in this release.

https://medium.com/flutter/whats-new-in-flutter-3-22-fbde6c164fe3
https://github.com/flutter/flutter/blob/master/docs/releases/Hotfixes-to-the-Stable-Channel.md#flutter-322-changes

[monsieurtanuki]

To be delayed after the release in prod (is that 4.15?).

[g123k]

To be delayed after the release in prod (is that 4.15?).

4.15 is already released

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 44.31818% with 49 lines in your changes missing coverage. Please review.

Project coverage is 7.16%. Comparing base (4d9c7fc) to head (46c37cf).
Report is 235 commits behind head on develop.

Files	Patch %	Lines
...b/pages/onboarding/v2/onboarding_bottom_hills.dart	0.00%	8 Missing ⚠️
...mooth_app/lib/pages/product/edit_image_button.dart	0.00%	4 Missing ⚠️
packages/smooth_app/lib/themes/smooth_theme.dart	80.00%	4 Missing ⚠️
...pp/lib/pages/onboarding/onboarding_bottom_bar.dart	0.00%	3 Missing ⚠️
...app/lib/pages/product/product_incomplete_card.dart	0.00%	3 Missing ⚠️
.../lib/generic_lib/buttons/smooth_simple_button.dart	60.00%	2 Missing ⚠️
...b/pages/hunger_games/question_answers_options.dart	0.00%	2 Missing ⚠️
packages/smooth_app/lib/pages/image_crop_page.dart	0.00%	2 Missing ⚠️
...h_app/lib/pages/locations/location_query_page.dart	0.00%	2 Missing ⚠️
...ib/pages/preferences/user_preferences_account.dart	0.00%	2 Missing ⚠️
... and 13 more

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #5458      +/-   ##
==========================================
- Coverage     9.54%   7.16%   -2.39%     
==========================================
  Files          325     391      +66     
  Lines        16411   20382    +3971     
==========================================
- Hits          1567    1461     -106     
- Misses       14844   18921    +4077     

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[g123k]

PR reverted due to #5462