Update @semantic-release/npm to the latest version 🚀

The devDependency @semantic-release/npm was updated from `5.1.4` to `5.1.7`.

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.

Release Notes for v5.1.7

5.1.7 (2019-04-14)

Bug Fixes

package: update aggregate-error to version 3.0.0 (46ec5ee)

Commits

The new version differs by 7 commits.

46ec5ee fix(package): update aggregate-error to version 3.0.0
d03aff2 fix(package): update read-pkg to version 5.0.0
7a55e35 chore(package): update p-retry to version 4.0.0
982504a chore(package): update get-stream to version 5.0.0
b72a989 chore(package): update ava to version 1.3.1
62b27c5 fix(package): update npm to version 6.8.0
9651b04 chore(package): update xo to version 0.24.0

See the full diff

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