npm: bump @wordpress/dependency-extraction-webpack-plugin

Bumps [@wordpress/dependency-extraction-webpack-plugin](https://github.com/WordPress/gutenberg/tree/HEAD/packages/dependency-extraction-webpack-plugin) from 4.27.0 to 4.29.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/dependency-extraction-webpack-plugin/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/[email protected]/packages/dependency-extraction-webpack-plugin)

---
updated-dependencies:
- dependency-name: "@wordpress/dependency-extraction-webpack-plugin"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]