Update all dependencies to v6 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.github.spotbugs	5.2.5 -> 6.0.0
com.github.spotbugs.snom:spotbugs-gradle-plugin	5.2.5 -> 6.0.0

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Release Notes

spotbugs/spotbugs-gradle-plugin (com.github.spotbugs.snom:spotbugs-gradle-plugin)

v6.0.0

Compare Source

Bug Fixes

• enable java Tool Chain support by default (c94b886), closes #​907
• merge changes from the master branch (12ba901)
• publish Java 11 class files (1c1955e)
• remove deprecated methods SpotBugsTask.getEnabledReports() and SpotBugsTask.getFirstEnabledReport (2ab3c45)
• remove the deplicated SpotBugsRunnerForWorker API (aa75fbc)
• replace the usage of duplicated project.buildDir API (5abbf2d)

Features

• drop support for Gradle 7.0 (4b0f800), closes #​927
• rewrite the implementation into Kotlin (#​924) (bcf4706)

BREAKING CHANGES

• The convention API provides replacement from 7.1 and later, so we use 7.1
  as minimal required version.

Signed-off-by: Kengo TODA skypencil@gmail.com

• This plugin has been rewritten in Kotlin, and it may break the binary compatibility of public API. Intentional changes are listed as follows:

Changes for Groovy buildscripts

About effort and reportLevel properties of SpotBugsTask and SpotBugsExtension, Groovy buildscripts should use use valueOf(String) method explicitly. This limitation is caused by a known issue of the Groovy language:

// before (v5)
spotbugs {
    effort = 'default'
    reportLevel = 'default'
}

// after (v6)
spotbugs {
    effort = Effort.valueOf('DEFAULT')
    reportLevel = Confidence.valueOf('DEFAULT')
}

Changes for Kotlin buildscripts

It is recommended to use Gradle 8.2 or later, then you can enjoy the simple property assignment feature by default:

// legacy (Gradle 8.1 and older)
import com.github.spotbugs.snom.Confidence
import com.github.spotbugs.snom.Effort

spotbugs {
    effort.set(Effort.DEFAULT)
    reportLevel.set(Confidence.DEFAULT)
}

// new (Gradle 8.2 and later)
import com.github.spotbugs.snom.Confidence
import com.github.spotbugs.snom.Effort

spotbugs {
    effort = Effort.DEFAULT
    reportLevel = Confidence.DEFAULT
}

It is also possible to use string values, however, it is not recommended due to lack of type-safety:

// new (Gradle 8.2 and later)
import com.github.spotbugs.snom.assign

spotbugs {
    effort = "DEFAULT"
    reportLevel = "DEFAULT"
}

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