test: Upgrade eslint & plugins

[avaly]

Brings back the import plugin.

Removes the standard plugin.

[Copilot]

Pull request overview

This pull request upgrades eslint and related plugins, bringing back the import plugin and removing the standard plugin. The changes update linting dependencies to their latest versions and apply the corresponding formatting rules across the codebase.

Changes:

• Upgraded eslint from 9.28.0 to 9.39.2 and typescript-eslint from 8.20.0 to 8.54.0
• Brought back eslint-plugin-import with full flat config support and comprehensive import ordering rules
• Removed eslint-config-standard and eslint-plugin-prettier dependencies
• Applied automatic formatting fixes across all source, test, and example files (import grouping, blank line additions)

Reviewed changes

Copilot reviewed 22 out of 23 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
package.json	Updated eslint and plugin dependencies to latest versions, removed standard and prettier plugin
pnpm-lock.yaml	Updated lock file with new dependency versions and their transitive dependencies
eslint.config.js	Migrated from compat layer to native flat config, added comprehensive import plugin configuration
src/**/*.ts	Applied import ordering rules with blank lines between import groups and type imports
tests/**/*.ts	Applied import ordering rules, added blank lines, removed unnecessary eslint-disable comments
example/**/*.ts	Added blank lines between import groups per new import rules
benchmark/mongoose.js	Removed unnecessary eslint-disable comments, simplified catch block

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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