pre-commit CI config

[djsaunde]

Config for https://pre-commit.ci/. This will run our pre-commit hooks and create a commit with any changes (ruff format, etc.).

I've requested to enable the corresponding pre-commit CI GitHub app. We should merge this PR, then enable the app so it respects this config.

[gemini-code-assist]

Summary of Changes

Hello @djsaunde, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces the necessary configuration to integrate pre-commit.ci into the repository's workflow. This integration will automate code quality checks and formatting, ensuring that all contributions adhere to defined standards and reducing manual review effort for stylistic issues.

Highlights

• New CI Configuration: A new configuration file, .pre-commit-ci.yaml, has been added to the repository.
• Automated Code Formatting: The pre-commit.ci service is configured to automatically fix pull requests, ensuring consistent code style and quality.
• Scheduled Updates: Pre-commit hooks will be automatically updated on a monthly schedule to keep tooling current.

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[gemini-code-assist]

Code Review

This pull request introduces a configuration file for pre-commit.ci to automate running pre-commit hooks on pull requests. The configuration is well-structured. I've provided one suggestion to improve maintainability by removing configuration options that are set to their default values, which makes the file more concise.

On a side note, the PR title 'auto-enable sample packing' seems unrelated to the changes. You might want to update it to something like 'Configure pre-commit.ci' to better reflect the content of this PR and improve the clarity of the repository's history.

[gemini-code-assist]

For improved readability and maintainability, it's good practice to omit configuration options that are set to their default values. Both autofix_prs_limit (defaults to 5) and skip (defaults to []) are set to their defaults here and can be removed.

  autoupdate_schedule: monthly
  autoupdate_commit_msg: "chore: pre-commit autoupdate"