Update module github.com/knadh/koanf to v1.3.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/knadh/koanf	require	minor	v1.2.4 -> v1.3.0

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Release Notes

knadh/koanf

### [`v1.3.0`](https://togithub.com/knadh/koanf/releases/v1.3.0) [Compare Source](https://togithub.com/knadh/koanf/compare/v1.2.4...v1.3.0) Add AWS AppConfig provider. #### What's Changed - feat: add provider for AWS AppConfig by [@​Thunderbottom](https://togithub.com/Thunderbottom) in [https://github.com/knadh/koanf/pull/112](https://togithub.com/knadh/koanf/pull/112) #### New Contributors - [@​Thunderbottom](https://togithub.com/Thunderbottom) made their first contribution in [https://github.com/knadh/koanf/pull/112](https://togithub.com/knadh/koanf/pull/112) **Full Changelog**: https://github.com/knadh/koanf/compare/v1.2.4...v1.3.0

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