Bump spotless from 8.3.0 to 8.4.0 (#645)

Bumps `spotless` from 8.3.0 to 8.4.0.

Updates `com.diffplug.spotless:spotless-plugin-gradle` from 8.3.0 to 8.4.0
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@gradle/8.3.0...gradle/8.4.0)

Updates `com.diffplug.spotless` from 8.3.0 to 8.4.0

---
updated-dependencies:
- dependency-name: com.diffplug.spotless:spotless-plugin-gradle
  dependency-version: 8.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.diffplug.spotless
  dependency-version: 8.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -10,7 +10,7 @@ lifecycle = "2.10.0"
 okhttp = "5.3.2"
 room = "2.8.4"
 coil = "3.4.0"
-spotless = "8.3.0"
+spotless = "8.4.0"
 aboutLibraries = "13.2.1"
 
 [libraries]