Update dependency ava to v3.12.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ava (source)	devDependencies	minor	3.11.1 -> 3.12.0

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Release Notes

avajs/ava

### [`v3.12.0`](https://togithub.com/avajs/ava/releases/v3.12.0) [Compare Source](https://togithub.com/avajs/ava/compare/v3.11.1...v3.12.0) #### Configure how AVA loads test files Normally, AVA loads all files as CommonJS, except for `mjs` files and if you've configured `"type": "module"` in your `package.json`. As an experiment, you can now configure how AVA loads other file extensions. This is useful if you want to use Node.js' [experimental loaders](https://nodejs.org/docs/latest/api/esm.html#esm_experimental_loaders) feature. Read more [in our documentation](https://togithub.com/avajs/ava/blob/master/docs/06-configuration.md#configuring-module-formats). Thank you [@​macarie](https://togithub.com/macarie) for working on this! [`5c9dbb9`](https://togithub.com/avajs/ava/commit/5c9dbb96ad0beb7521e5051390478493250ba6b0) #### Comparison bugfix There was a bug in our [comparison library](https://togithub.com/concordancejs/concordance) which meant that negative-index properties on lists were not compared. This was fixed in a patch release, which will definitely be installed when you install AVA 3.12. Your tests may have been passing, even though they should have been failing. They'll fail now. Snapshots may also be different, causing tests to fail. #### All changes See for all changes. Thank you [@​AnthumChris](https://togithub.com/AnthumChris) for making sure our ESM example used ESM syntax ([`20bc781`](https://togithub.com/avajs/ava/commit/20bc7810536b3b968db5461ff4093bb5ae912050)).

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[coveralls]

Coverage remained the same at 100.0% when pulling 5ffc0dad9dc455c9355a2ebcccf81d4feff26cd1 on renovate/ava-3.x into c0ea15610b127552c9c0453a95654bef2cfd25a7 on master.

[codecov-commenter]

Codecov Report

Merging #79 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master       #79   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           10        10           
  Lines          299       299           
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  Hits           299       299           

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