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

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.diffplug.spotless:spotless-maven-plugin	2.46.1 → 3.2.0

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Release Notes

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

v3.2.0

Added

• Support for idea (#​2020, #​2535)
• Add support for removing wildcard imports via removeWildcardImports step. (#​2517)
• scalafmt: enforce version consistency between the version configured in Spotless and the version declared in Scalafmt config file (#​2460)

Fixed

• SortPom disable expandEmptyElements, to avoid empty body warnings. (#​2520)
• Fix biome formatter for new major release 2.x of biome (#​2537)
• Make sure npm-based formatters use the correct node_modules directory when running in parallel. (#​2542)

Changed

• Bump internal dependencies for npm-based formatters (#​2542)

v3.1.0

Added

• Support forclang-format on maven-plugin (#​2406)
• Allow overriding classLoader for all JarStates to enable spotless-cli (#​2427)

v3.0.0

[3.0.0] - 2025-01-06

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