deps: update dependency alpine/infra/atools-go to v0.3.0

This MR contains the following updates:

Package	Update	Change
alpine/infra/atools-go	minor	v0.2.1 -> v0.3.0

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Release Notes

alpine/infra/atools-go (alpine/infra/atools-go)

v0.3.0

Compare Source

v0.3.0

Al49

• Support CUSTOM_VALID_OPTIONS env variable

Apkbuild

• Add keepdirs options

Apkbuild-lint

• Assume filename is APKBUILD if none is provided

Deps

• Update golang.org/x/exp digest to b2144cd
• Update module github.com/stretchr/testify to v1.10.0

Doc

• Include changelog

Linter

• Support providing env function to checkers

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