chore(examples): remove unused eslint-loader from examples/eslint

[Boshen]

Summary

eslint-loader is deprecated by the way.

🤖 Generated by Copilot at 65a51d1

This pull request updates the code quality tools and configuration for the examples/eslint project. It upgrades eslint and eslint-rspack-plugin to the latest versions, fixes some dependency issues in the lockfile, and applies the new linting rules to the code.

Walkthrough

🤖 Generated by Copilot at 65a51d1

• Update eslint and eslint-rspack-plugin dependencies to latest versions in examples/eslint/package.json (link,link)
• Sync eslint and eslint-rspack-plugin dependencies in pnpm-lock.yaml with examples/eslint/package.json (link,link)
• Remove unused dependencies from pnpm-lock.yaml, such as @babel/code-frame, acorn-jsx, functional-red-black-tree, ignore, object-hash, regexpp, and v8-compile-cache (link,link,link,link,link,link,link)
• Add new dependencies to pnpm-lock.yaml, such as @eslint-community/eslint-utils, @eslint-community/regexpp, @eslint/js, and js-sdsl, which are required by eslint version 8 (link,link,link,link)
• Update existing dependencies in pnpm-lock.yaml to match the new versions of eslint and eslint-rspack-plugin, such as @eslint/eslintrc, @humanwhocodes/config-array, espree, and schema-utils (link,link,link,link,link,link,link)
• Update @jest/types and jest-util dependencies in pnpm-lock.yaml to version 29.5.0, which is a minor update with some bug fixes and enhancements (link,link,link,link,link,link,link,link,link,link,link,link,link,link)
• Fix dev property in pnpm-lock.yaml for @jest/fake-timers and @jest/source-map dependencies, to correctly reflect their usage as development or production dependencies (link,link)
• Remove eslint-loader and eslint dependencies from pnpm-lock.yaml for examples/eslint project, as they are no longer used (link)