Update dependency ava to v3.7.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ava (source)	devDependencies	minor	3.6.0 -> 3.7.0

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Release Notes

avajs/ava

### [`v3.7.0`](https://togithub.com/avajs/ava/releases/v3.7.0) [Compare Source](https://togithub.com/avajs/ava/compare/v3.6.0...v3.7.0) If you've ever wanted to save some files along with AVA's snapshots, you can now determine the directory path by accessing `test.meta.snapshotDirectory`. Thank you [@​ulken](https://togithub.com/ulken) ! [`cb5f9f7`](https://togithub.com/avajs/ava/commit/cb5f9f70879ee549837c31e577e01f87970164ed) See for all changes.

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[codecov[bot]]

Codecov Report

Merging #95 into master will not change coverage by %. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master       #95   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines           60        60           
=========================================
  Hits            60        60           

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