chore(deps): update dependency codecov to v3.8.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
codecov	devDependencies	patch	3.8.0 -> 3.8.1

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Release Notes

codecov/codecov-node

### [`v3.8.1`](https://togithub.com/codecov/codecov-node/blob/master/CHANGELOG.md#​381) [Compare Source](https://togithub.com/codecov/codecov-node/compare/v3.8.0...v3.8.1) ##### Fixes - [#​246](https://togithub.com/codecov/codecov-node/pull/246) Revert "Bump teeny-request from 6.0.1 to 7.0.0"

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[codecov[bot]]

Codecov Report

Merging #159 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #159   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines           45        45           
  Branches        11        11           
=========================================
  Hits            45        45