Update dependency git-fixtures to v6 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
git-fixtures	^4.0.0 -> ^6.0.0

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Release Notes

kellyselden/git-fixtures (git-fixtures)

### [`v6.0.0`](https://togithub.com/kellyselden/git-fixtures/compare/v5.0.1...v6.0.0) [Compare Source](https://togithub.com/kellyselden/git-fixtures/compare/v5.0.1...v6.0.0) ### [`v5.0.1`](https://togithub.com/kellyselden/git-fixtures/compare/v5.0.0...v5.0.1) [Compare Source](https://togithub.com/kellyselden/git-fixtures/compare/v5.0.0...v5.0.1) ### [`v5.0.0`](https://togithub.com/kellyselden/git-fixtures/compare/v4.2.1...v5.0.0) [Compare Source](https://togithub.com/kellyselden/git-fixtures/compare/v4.2.1...v5.0.0) ### [`v4.2.1`](https://togithub.com/kellyselden/git-fixtures/compare/v4.2.0...v4.2.1) [Compare Source](https://togithub.com/kellyselden/git-fixtures/compare/v4.2.0...v4.2.1) ### [`v4.2.0`](https://togithub.com/kellyselden/git-fixtures/compare/v4.1.1...v4.2.0) [Compare Source](https://togithub.com/kellyselden/git-fixtures/compare/v4.1.1...v4.2.0)

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Configuration

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