chore(deps): update dependency codecov to ^3.6.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
codecov	devDependencies	patch	^3.6.2 -> ^3.6.4

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Release Notes

codecov/codecov-node

### [`v3.6.4`](https://togithub.com/codecov/codecov-node/releases/v3.6.4) [Compare Source](https://togithub.com/codecov/codecov-node/compare/v3.6.3...v3.6.4) Fix for Cirrus CI ### [`v3.6.3`](https://togithub.com/codecov/codecov-node/releases/v3.6.3) [Compare Source](https://togithub.com/codecov/codecov-node/compare/v3.6.2...v3.6.3) AWS Codebuild fixes + package updates

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