fix(block): Updated model_version to prevent conflicts with pydantic naming

[Swiftyos]

The field model_version in the ai music generator project conflicted with pydantic internals. This fixes that.

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This pull request includes several changes to the `autogpt_platform/backend/backend/blocks/ai_music_generator.py` file, focusing on renaming a variable for consistency across the codebase. The variable `model_version` has been renamed to `music_gen_model_version`.

Variable renaming for consistency:

• Renamed model_version to music_gen_model_version in the Input class definition.
• Updated the __init__ method to use music_gen_model_version instead of model_version in the test input dictionary.
• Modified the mock function in the __init__ method to accept music_gen_model_version as a parameter.
• Changed the run method to use music_gen_model_version when calling run_model.
• Updated the run_model method to replace model_version with music_gen_model_version in its parameters and input dictionary. [1] [2]
  This pull request includes updates to the autogpt_platform/backend/backend/blocks/ai_music_generator.py file to rename the model_version variable to music_gen_model_version for consistency across the codebase. The most important changes include modifications to the Input class, the __init__ method, the run method, and the run_model method.

Variable renaming for consistency:

• autogpt_platform/backend/backend/blocks/ai_music_generator.py: Renamed model_version to music_gen_model_version in the Input class.
• autogpt_platform/backend/backend/blocks/ai_music_generator.py: Updated the __init__ method to use music_gen_model_version instead of model_version. [1] [2]
• autogpt_platform/backend/backend/blocks/ai_music_generator.py: Modified the run method to use music_gen_model_version in place of model_version. [1] [2]
• autogpt_platform/backend/backend/blocks/ai_music_generator.py: Adjusted the run_model method to accept music_gen_model_version instead of model_version.

[qodo-merge-pro]

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⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 PR contains tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Code Consistency Verify that all references to the renamed parameter 'music_gen_model_version' have been updated consistently throughout the codebase, including any API documentation or client code not shown in this diff

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