ESLint: Migrate to use 'import-x' plugin

[sakit0]

Closes #31672

What I did

The eslint-plugin-import has been deprecated, so i have migrated to eslint-plugin-import-x.

Checklist for Contributors

Testing

The changes in this PR are covered in the following automated tests:

• stories
• unit tests
• integration tests
• end-to-end tests

Manual testing

Run lint.

• storybook/code : yarn lint
• storybook/script : yarn lint

Documentation

• Add or update documentation reflecting your changes
• If you are deprecating/removing a feature, make sure to update
  MIGRATION.MD

Checklist for Maintainers

• When this PR is ready for testing, make sure to add ci:normal, ci:merged or ci:daily GH label to it to run a specific set of sandboxes. The particular set of sandboxes can be found in code/lib/cli-storybook/src/sandbox-templates.ts

• Make sure this PR contains one of the labels below:

  Available labels

  • bug: Internal changes that fixes incorrect behavior.
  • maintenance: User-facing maintenance tasks.
  • dependencies: Upgrading (sometimes downgrading) dependencies.
  • build: Internal-facing build tooling & test updates. Will not show up in release changelog.
  • cleanup: Minor cleanup style change. Will not show up in release changelog.
  • documentation: Documentation only changes. Will not show up in release changelog.
  • feature request: Introducing a new feature.
  • BREAKING CHANGE: Changes that break compatibility in some way with current major version.
  • other: Changes that don't fit in the above categories.

🦋 Canary release

This PR does not have a canary release associated. You can request a canary release of this pull request by mentioning the @storybookjs/core team here.

core team members can create a canary release here or locally with gh workflow run --repo storybookjs/storybook publish.yml --field pr=<PR_NUMBER>

Summary by CodeRabbit

• Chores
  • Switched ESLint import plugin to a newer plugin namespace and updated related rule keys across configurations.
  • Standardized lint directives and plugin entries in project and script configs to ensure consistent import linting behavior.
  • Updated dependency declarations to reference the new import plugin version for unified validation.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[nx-cloud]

View your CI Pipeline Execution ↗ for commit 91a354b

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☁️ Nx Cloud last updated this comment at 2025-12-22 22:17:00 UTC

[storybook-app-bot]

Package Benchmarks

^{Commit: 91a354b, ran on 22 December 2025 at 22:28:35 UTC}

No significant changes detected, all good. 👏