feat(repo): bump min flutter version to 3.24.5

[xsahil03x]

This pull request includes several significant changes to improve the workflows, update dependencies, and enhance the codebase. The most important changes include the introduction of a new Pana workflow, updates to Flutter and Dart versions, and various dependency management improvements.

Workflow Improvements:

• Added a new Pana workflow in .github/actions/pana/action.yml to verify the Pana score, including steps for installing Flutter and Pana, and verifying the score.
• Updated .github/workflows/pana.yml to use the new Pana action for verifying Pana scores across multiple packages.

Dependency Management:

• Introduced a patch file .github/actions/pana/chore__temporarily_override_dep_to_local.patch to temporarily override dependencies to local paths for testing purposes.
• Updated melos.yaml to include environment configurations and dependency versions, ensuring consistent dependency management across the project. [1] [2]

Version Updates:

• Updated Flutter version to 3.24.5 in multiple workflow files to ensure compatibility with the latest stable release. [1] [2]
• Updated minimum Dart version to 3.5.4 and minimum Flutter version to 3.24.5 in various pubspec.yaml and CHANGELOG.md files to reflect the latest requirements. [1] [2] [3] [4] [5]

Code Enhancements:

• Modified UserBlockResponse class in packages/stream_chat/lib/src/core/api/responses.dart to prevent JSON serialization for toJson method, improving performance.
• Improved readability and maintainability of the _IsSameMessageAs matcher in packages/stream_chat/test/src/matchers.dart.

[deven98]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 15.38462% with 11 lines in your changes missing coverage. Please review.

Project coverage is 61.03%. Comparing base (c8dce6e) to head (ef33169).

Files with missing lines	Patch %	Lines
...e_positioned_list/src/item_positions_listener.dart	0.00%	5 Missing ⚠️
.../channel_scroll_view/stream_channel_list_tile.dart	0.00%	4 Missing ⚠️
...ib/src/poll/poll_option_reorderable_list_view.dart	0.00%	1 Missing ⚠️
...ream_chat_flutter_core/lib/src/stream_channel.dart	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2068      +/-   ##
==========================================
- Coverage   61.04%   61.03%   -0.01%     
==========================================
  Files         336      336              
  Lines       20152    20152              
==========================================
- Hits        12301    12299       -2     
- Misses       7851     7853       +2     

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