chore(deps): update dependency defu to ^6.1.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
defu	^6.0.0 -> ^6.1.0

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Release Notes

unjs/defu

### [`v6.1.0`](https://togithub.com/unjs/defu/blob/HEAD/CHANGELOG.md#​610-httpsgithubcomunjsdefucomparev601v610-2022-08-16) [Compare Source](https://togithub.com/unjs/defu/compare/v6.0.1...v6.1.0) ##### Features - export `Defu` type helper ([#​45](https://togithub.com/unjs/defu/issues/45)) ([551ae4c](https://togithub.com/unjs/defu/commit/551ae4c87c13f2188b97930eaffd72e5575e9048)) ##### Bug Fixes - **types:** constrain inferred types of `Defu` ([3d3ea3e](https://togithub.com/unjs/defu/commit/3d3ea3e4e982591632f070bbf64e28f9d98d6bf9)) ##### [6.0.1](https://togithub.com/unjs/defu/compare/v6.0.0...v6.0.1) (2022-08-16) ##### Bug Fixes - add typing to allow for non-objects input args ([#​42](https://togithub.com/unjs/defu/issues/42)) ([1f3a701](https://togithub.com/unjs/defu/commit/1f3a701bc3fd839344359ad5c2b358fbefd978cc)) - merge object strings of many types ([#​44](https://togithub.com/unjs/defu/issues/44)) ([c7226f9](https://togithub.com/unjs/defu/commit/c7226f971740966282530745030123aa07ff7b17)) ### [`v6.0.1`](https://togithub.com/unjs/defu/blob/HEAD/CHANGELOG.md#​601-httpsgithubcomunjsdefucomparev600v601-2022-08-16) [Compare Source](https://togithub.com/unjs/defu/compare/v6.0.0...v6.0.1)

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