Update gulp-expect-file to the latest version 🚀

[greenkeeper]

Version 1.0.0 of gulp-expect-file was just published.

Dependency	gulp-expect-file
Current Version	0.0.7
Type	devDependency

The version 1.0.0 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 gulp-expect-file.

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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This change is 

[CLAassistant]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
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[coveralls]

Pull Request Test Coverage Report for Build 1092

• 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 1081:	0.0%
Covered Lines:	6
Relevant Lines:	6

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💛 - Coveralls