Bump github.com/creasty/defaults from 1.3.0 to 1.5.1

Bumps [github.com/creasty/defaults](https://github.com/creasty/defaults) from 1.3.0 to 1.5.1.
- [Release notes](https://github.com/creasty/defaults/releases)
- [Commits](https://github.com/creasty/defaults/compare/v1.3.0...v1.5.1

)

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