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 bce709663c68e6ba812bd0433cca030b523990c4 on renovate/ava-3.x into 8317423a910f102656f906f7f61d9f75749e4dab on master.

[codecov-commenter]

Codecov Report

Merging #40 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master       #40   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            7         7           
  Lines          102       102           
=========================================
  Hits           102       102           

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