Update rollup to the latest version 🚀

[greenkeeper]

Version 0.64.0 of rollup was just published.

Dependency	rollup
Current Version	0.63.5
Type	devDependency

The version 0.64.0 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.

It might be worth looking into these changes and trying to get this project onto the latest version of rollup.

If you have a solid test suite and good coverage, a passing build is a strong indicator that you can take advantage of these changes directly by merging the proposed change into your project. If the build fails or you don’t have such unconditional trust in your tests, this branch is a great starting point for you to work on the update.

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Commits

The new version differs by 16 commits.

• 97d7f3a Fix old test cleanup
• 910fe76 Fix code style
• 26b60a6 0.64.0
• 1a81065 Update changelog
• 1db6679 Fix #2353 - retain empty manual chunks (#2362)
• 1620ce9 Update changelog
• 2ae3d97 chore: add minor verbiage change to bug issue template (#2380)
• 9b1d666 chore: add targeted github issue templates (#2356)
• 1e67fa7 Update changelog
• 408e924 Remove unnecessary dependency, update dependencies, fix linting of test config (#2376)
• 4c512cb Update changelog
• cddc570 Fixed faulty logic related to handling externals when resolver returns false (#2351)
• 4a5c776 Update changelog
• 93438e4 Ensure CLI warnings still show on errors, add an error for externalId collissions (#2334)
• bc5d433 Update changelog

There are 16 commits in total.

See the full diff

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Your Greenkeeper bot 🌴

[coveralls]

Pull Request Test Coverage Report for Build 118

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 112:	0.0%
Covered Lines:	45
Relevant Lines:	45

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💛 - Coveralls