Update rollup to the latest version 🚀

[greenkeeper]

The devDependency rollup was updated from 0.62.0 to 0.66.5.

This version is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

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[CLAassistant]

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✅ luwes
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[greenkeeper]

• The devDependency rollup was updated from 0.62.0 to 0.66.6.

Update to this version instead 🚀

Commits

The new version differs by 3 commits.

• aa68a8c 0.66.6
• c56876c Update changelog
• df9ef28 Properly deconflict ids ids of default exports that have been reassigned (#2502)

See the full diff