chore(deps): update dependency com.diffplug.spotless:spotless-maven-plugin to v3 (release/8.6)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.diffplug.spotless:spotless-maven-plugin	2.43.0 -> 3.0.0

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Release Notes

diffplug/spotless (com.diffplug.spotless:spotless-maven-plugin)

v3.0.0

[3.0.0] - 2025-01-06

v2.45.0

Added

• Support for gofmt (#​2001)
• Support for formatting Java Docs for the Palantir formatter (#​2009)

v2.44.0

Added

• New static method to DiffMessageFormatter which allows to retrieve diffs with their line numbers (#​1960)
• Gradle - Support for formatting shell scripts via shfmt. (#​1994)

Fixed

• Fix empty files with biome >= 1.5.0 when formatting files that are in the ignore list of the biome configuration file. (#​1989 fixes #​1987)
• Fix a regression in BufStep where the same arguments were being provided to every buf invocation. (#​1976)

Changed

• Use palantir-java-format 2.39.0 on Java 21. (#​1948)
• Bump default ktlint version to latest 1.0.1 -> 1.1.1. (#​1973)
• Bump default googleJavaFormat version to latest 1.18.1 -> 1.19.2. (#​1971)
• Bump default diktat version to latest 1.2.5 -> 2.0.0. (#​1972)

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