feat: update eslint to v9.37.0 for adding new rules (no-unassigned-va…

[tkskto]

Update version of ESLint to v9.37.0.

The following rules will be added in this version.

• https://eslint.org/docs/latest/rules/no-unassigned-vars
• https://eslint.org/docs/latest/rules/preserve-caught-error

ESLint release

• https://eslint.org/blog/2024/06/eslint-v9.6.0-released/
• https://eslint.org/blog/2024/07/eslint-v9.7.0-released/
• https://eslint.org/blog/2024/07/eslint-v9.8.0-released/
• https://eslint.org/blog/2024/08/eslint-v9.9.0-released/
• https://eslint.org/blog/2024/08/eslint-v9.9.1-released/
• https://eslint.org/blog/2024/09/eslint-v9.10.0-released/
• https://eslint.org/blog/2024/09/eslint-v9.11.0-released/
• https://eslint.org/blog/2024/09/eslint-v9.11.1-released/
• https://eslint.org/blog/2024/10/eslint-v9.12.0-released/
• https://eslint.org/blog/2024/10/eslint-v9.13.0-released/
• https://eslint.org/blog/2024/11/eslint-v9.14.0-released/
• https://eslint.org/blog/2024/11/eslint-v9.15.0-released/
• https://eslint.org/blog/2024/11/eslint-v9.16.0-released/
• https://eslint.org/blog/2024/12/eslint-v9.17.0-released/
• https://eslint.org/blog/2025/01/eslint-v9.18.0-released/
• https://eslint.org/blog/2025/01/eslint-v9.19.0-released/
• https://eslint.org/blog/2025/02/eslint-v9.20.0-released/
• https://eslint.org/blog/2025/02/eslint-v9.21.0-released/
• https://eslint.org/blog/2025/03/eslint-v9.22.0-released/
• https://eslint.org/blog/2025/03/eslint-v9.23.0-released/
• https://eslint.org/blog/2025/04/eslint-v9.24.0-released/
• https://eslint.org/blog/2025/04/eslint-v9.25.0-released/
• https://eslint.org/blog/2025/05/eslint-v9.26.0-released/
• https://eslint.org/blog/2025/05/eslint-v9.27.0-released/
• https://eslint.org/blog/2025/05/eslint-v9.28.0-released/
• https://eslint.org/blog/2025/06/eslint-v9.29.0-released/
• https://eslint.org/blog/2025/06/eslint-v9.30.0-released/
• https://eslint.org/blog/2025/07/eslint-v9.30.1-released/
• https://eslint.org/blog/2025/07/eslint-v9.31.0-released/
• https://eslint.org/blog/2025/07/eslint-v9.32.0-released/
• https://eslint.org/blog/2025/08/eslint-v9.33.0-released/
• https://eslint.org/blog/2025/08/eslint-v9.34.0-released/
• https://eslint.org/blog/2025/09/eslint-v9.35.0-released/
• https://eslint.org/blog/2025/09/eslint-v9.36.0-released/
• https://eslint.org/blog/2025/09/eslint-v9.37.0-released/

[Copilot]

Pull Request Overview

This PR updates ESLint from v9.4.0 to v9.37.0 and adds two new rules: no-unassigned-vars and preserve-caught-error. The update also includes related test fixtures and configuration changes to support the new version.

• Updated ESLint version to 9.37.0 and added two new linting rules
• Added comprehensive test coverage for the new ESLint rules
• Updated Node.js version from 20 to 22 in CI workflows

Reviewed Changes

Copilot reviewed 15 out of 16 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/eslint-config/package.json	Bumped version to 8.0.0 and updated ESLint peer dependency
packages/eslint-config/index.mjs	Added configuration for new ESLint rules
packages/eslint-config/test/fixtures/eslint/9.37.0_*.js	Added test fixtures demonstrating correct and incorrect usage of new rules
packages/eslint-config/test/eslint9.test.mjs	Added tests for ESLint 9.37.0 features
packages/eslint-config/test/helper.mjs	Added warnIgnored configuration option
package.json	Updated ESLint and @types/eslint dependencies
.github/workflows/*.yml	Updated Node.js version from 20 to 22

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