chore(deps): update dependency docker/buildx to v0.15.1

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
docker/buildx	patch	v0.15.0 -> v0.15.1

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Release Notes

docker/buildx (docker/buildx)

### [`v0.15.1`](https://togithub.com/docker/buildx/compare/v0.15.0...v0.15.1) [Compare Source](https://togithub.com/docker/buildx/compare/v0.15.0...v0.15.1)

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