chore(deps): Bump @wordpress/block-editor and @types/wordpress__block-editor

Bumps [@wordpress/block-editor](https://github.com/WordPress/gutenberg/tree/HEAD/packages/block-editor) and [@types/wordpress__block-editor](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/wordpress__block-editor). These dependencies needed to be updated together.

Updates `@wordpress/block-editor` from 12.26.0 to 15.21.1
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/block-editor/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/HEAD/packages/block-editor)

Updates `@types/wordpress__block-editor` from 11.5.5 to 15.0.6
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/wordpress__block-editor)

---
updated-dependencies:
- dependency-name: "@types/wordpress__block-editor"
  dependency-version: 15.0.6
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: "@wordpress/block-editor"
  dependency-version: 15.21.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]