chore(deps): update devdependency @nuxtjs/eslint-config to v6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@nuxtjs/eslint-config	^5.0.0 -> ^6.0.0

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Release Notes

nuxt/eslint-config

### [`v6.0.0`](https://togithub.com/nuxt/eslint-config/releases/@​nuxtjs/eslint-config@6.0.0) [Compare Source](https://togithub.com/nuxt/eslint-config/compare/@nuxtjs/eslint-config@5.0.0...@nuxtjs/eslint-config@6.0.0) #### Dependencies chore(deps): update dependency eslint-plugin-unicorn to v28 ([#​139](https://togithub.com/nuxt/eslint-config/issues/139))

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Configuration

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[codecov[bot]]

Codecov Report

Merging #249 (2c6a864) into master (e3c7ffa) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #249   +/-   ##
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  Coverage   68.06%   68.06%           
=======================================
  Files           5        5           
  Lines         191      191           
  Branches       52       52           
=======================================
  Hits          130      130           
  Misses         45       45           
  Partials       16       16           

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