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

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.diffplug.spotless	6.25.0 -> 8.1.0
com.gradle.plugin-publish	1.3.1 -> 2.0.0
org.gradle.toolchains.foojay-resolver-convention	0.10.0 -> 1.0.0
net.kyori.indra.publishing.sonatype	3.2.0 -> 4.0.0
net.kyori.indra.publishing.gradle-plugin	3.2.0 -> 4.0.0
net.kyori.indra.publishing	3.2.0 -> 4.0.0
net.kyori.indra.licenser.spotless	3.2.0 -> 4.0.0
net.kyori.indra.git	3.2.0 -> 4.0.0
net.kyori.indra	3.2.0 -> 4.0.0

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Configuration

📅 Schedule: Branch creation - "after 5pm on the 2nd day of the month" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

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