Update plugin com.diffplug.spotless to v6.25.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.diffplug.spotless	6.11.0 -> 6.25.0

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[reviewabot]

The changes in the pull request look good. The version update for the 'spotless' plugin from '6.11.0' to '6.25.0' is clear and straightforward. There are no TODO comments, and the file ends with a newline. The code is clean and easy to read. No issues found.

[github-actions]

Stale pull request message

[renovate]

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Because you closed this PR without merging, Renovate will ignore this update (6.25.0). You will get a PR once a newer version is released. To ignore this dependency forever, add it to the ignoreDeps array of your Renovate config.

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