Update rollup-plugin-babel to the latest version 🚀

[greenkeeper[bot]]

The devDependency rollup-plugin-babel was updated from 2.7.1 to 4.1.0.

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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Your Greenkeeper bot :palm_tree:

[greenkeeper[bot]]

• The devDependency rollup-plugin-babel was updated from 2.7.1 to 4.2.0.

Update to this version instead 🚀

Commits

The new version differs by 3 commits.

• c8983e5 4.2.0
• 30a5f6a Allow rollup@1 as peer dep
• 94448f5 Reword 'except' as 'plus' (#280)

See the full diff

[greenkeeper[bot]]

• The devDependency rollup-plugin-babel was updated from 2.7.1 to 4.3.0.

Update to this version instead 🚀

Commits

The new version differs by 26 commits.

• bf9f1a2 4.3.0
• 97ac95b Merge branch 'custom-builder'
• f250dea Add docs about .custom builder
• 542c143 Merge branch 'master' into custom-builder
• ba2559a Fail build when trying plugin tries to add non-existent helper (#290)
• 0a764c0 Remove unnecessary guard against missing plugins in preflight check
• 31a6f88 Tweak .custom API, validate options hook - it cant be async
• 54d3cee Merge branch 'master' into custom-builder
• 0752385 Update devDep to rollup@1
• 7fc31d9 Fix issue with option plugins/presets being added twice to the loaded config
• c8f6d69 Add Andarist as contributor in package.json
• 348fec6 Tweak npm scripts
• 717ce79 Merge branch 'master' into custom-builder
• 5a425f9 Fixed .custom tests
• e31c298 loadPartialConfig and perform preflightCheck later

There are 26 commits in total.

See the full diff