Update workbox-sw to the latest version 🚀

[greenkeeper[bot]]

The dependency workbox-sw was updated from 3.6.3 to 4.0.0.

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 dependency workbox-sw was updated from 3.6.3 to 4.1.0.

Update to this version instead 🚀

Commits

The new version differs by 18 commits.

• 6fd1909 v4.1.0
• 5e04a62 Prevent onSync infinite loops (#1943)
• 5e2c4a1 Merge pull request #1941 from GoogleChrome/workbox-window-update
• 46f1c2b Resolve getSW correctly after an update is found
• eab861f Merge pull request #1938 from GoogleChrome/fix-bcu-plugin
• 1b0a5fa Explicitly check event.request
• ea248e7 Merge pull request #1932 from GoogleChrome/bg-sync-array-buffer
• b51b6f8 Run eslint or .eslintrc
• d822ba9 Update tests/mocks to work after cherry-pick
• 8b9dc50 Update code and tests to work cross-browser
• 60a784e Rename files and fix exports
• bd5f411 Merge pull request #1929 from GoogleChrome/skipWaiting-message
• a6ad817 Add a message listener when skipWaiting: false
• b6b1506 Call bind() to get the right this in precaching's plugins (#1928)
• d76e770 Merge pull request #1922 from GoogleChrome/fix-jsdocs

There are 18 commits in total.

See the full diff