chore: update ruff config to use lint section

[abhimehro]

This commit updates the .trunk/configs/ruff.toml configuration by migrating the deprecated top-level select and ignore settings into a new [lint] section, eliminating deprecation warnings when running Ruff.

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PR created automatically by Jules for task 11248897609115947819 started by @abhimehro

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[Copilot]

Pull request overview

This PR updates the repository’s Ruff configuration to the newer schema by moving lint rule configuration under the [lint] table, avoiding deprecation warnings with newer Ruff versions.

Changes:

• Introduces a [lint] section in .trunk/configs/ruff.toml.
• Keeps the existing select and ignore rule lists, now correctly scoped under [lint].

[gemini-code-assist]

Code Review

This pull request updates the Ruff configuration in .trunk/configs/ruff.toml by adding a [lint] section header. Feedback was provided regarding a significant inconsistency between this configuration and the one defined in pyproject.toml, which could result in different linting outcomes depending on the tool used. It is recommended to synchronize these configurations for consistency.

[gemini-code-assist]

The Ruff configuration in this file is significantly inconsistent with the one defined in pyproject.toml. For instance, this file includes flake8-bugbear (B) and pydocstyle (D3, D4) which are absent from pyproject.toml, while pyproject.toml includes several other plugins (W, N, PERF, RET, SIM, UP) that are missing here. This discrepancy can lead to different linting results depending on whether Ruff is invoked via Trunk or directly. Consider synchronizing these configurations to ensure consistent code quality checks across all environments.