chore(deps): Update gradle and github actions (major)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Age	Confidence
gradle (source)		major	8.14.3 -> 9.1.0
net.kyori.indra.crossdoc	plugin	major	3.2.0 -> 4.0.0
net.kyori.indra.licenser.spotless	plugin	major	3.2.0 -> 4.0.0
net.kyori.indra.publishing.sonatype	plugin	major	3.2.0 -> 4.0.0
net.kyori.indra	plugin	major	3.2.0 -> 4.0.0

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Release Notes

gradle/gradle (gradle)

v9.1.0

Compare Source

v9.0.0: 9.0.0

Compare Source

The Gradle team is excited to announce Gradle 9.0.0.

Here are the highlights of this release:

• Configuration Cache is the recommended execution mode
• Gradle requires JVM 17 or higher to run
• Build scripts use Kotlin 2.2 and Groovy 4.0
• Improved Kotlin DSL script compilation avoidance

Read the Release Notes

We would like to thank the following community members for their contributions to this release of Gradle:
Aaron Matthis,
Adam E,
Adam S,
Björn Kautler,
Daniel Lacasse,
Eng Zer Jun,
EunHyunsu,
FlorianMichael,
Francisco Prieto,
Gaëtan Muller,
Jake Wharton,
Kengo TODA,
Kent Kaseda,
Madalin Valceleanu,
Marc Philipp,
Mark S. Lewis,
Matthew Haughton,
Mycroft Wong,
Na Minhyeok,
Nelson Osacky,
Olivier "Oli" Dagenais,
ploober,
Radai Rosenblatt,
Róbert Papp,
Sebastian Schuberth,
Victor Merkulov.

Upgrade instructions

Switch your build to use Gradle 9.0.0 by updating your wrapper:

./gradlew wrapper --gradle-version=9.0.0 && ./gradlew wrapper

See the Gradle 9.0.0 upgrade guide to learn about deprecations, breaking changes and other considerations when upgrading.

For Java, Groovy, Kotlin and Android compatibility, see the full compatibility notes.

Reporting problems

If you find a problem with this release, please file a bug on GitHub Issues adhering to our issue guidelines.
If you're not sure you're encountering a bug, please use the forum.

We hope you will build happiness with Gradle, and we look forward to your feedback via Twitter or on GitHub.

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Configuration

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