chore(deps): update dependency minitest to v6

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Confidence
minitest (source, changelog)	"~> 5.14" -> ">= 5.14", "< 7"
minitest (source, changelog)	"~> 5.22" -> ">= 5.22", "< 7"
minitest (source, changelog)	"~> 5.16" -> ">= 5.16", "< 7"
minitest (source, changelog)	"~> 5.13" -> ">= 5.13", "< 7"
minitest (source, changelog)	"~> 5.25" -> ">= 5.25", "< 7"
minitest (source, changelog)	"~> 5.17" -> ">= 5.17", "< 7"
minitest (source, changelog)	"~> 5.24" -> ">= 5.24", "< 7"

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Release Notes

minitest/minitest (minitest)

v6.0.0

Compare Source

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