Update magicpen to version 5.5.0 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

magicpen just published its new version 5.5.0, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of magicpen – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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The new version differs by 59 commits .

• 729d42e 5.5.0
• 9e9aef8 Support cloning to another format as long as the pen is empty
• 0bcffe8 5.4.0
• b7403ab Support custom properties on themes
• 648b3f3 Forgot to remove line size caching in one more place
• e275125 Revert "Cache size of all lines except the last"
• 09f6d44 Cache size of all lines except the last
• 215a1c1 It is not possible to cache the line size
• a31b0fd Cache the outputEntry sizes and the line sizes
• 9952fb3 5.3.0
• b803228 5.2.0
• a575aae Merge pull request #15 from sunesimonsen/feature/supportPluginVersionField
• 7b63195 Merge pull request #16 from Munter/node-first
• 394fb24 Check node environment explicitly before chacking browser environment. Avoids false positive browser detection when jsdom leaks window global
• 9159ab4 use: Support a plugin version field.

There are 59 commits in total. See the full diff.

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