Bump spotless from 6.7.0 to 7.0.2

Bumps `spotless` from 6.7.0 to 7.0.2.

Updates `com.diffplug.spotless:spotless-plugin-gradle` from 6.7.0 to 7.0.2
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@gradle/6.7.0...gradle/7.0.2)

Updates `com.diffplug.spotless` from 6.7.0 to 7.0.2

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -36,7 +36,7 @@ googleSecretPlugin = "2.0.1"
 retrofit = "2.11.0"
 sandwich = "2.1.0"
 moshi="1.15.1"
-spotless = "6.7.0"
+spotless = "7.0.2"
 snitcher = "1.0.3"
 firebaseBom = "33.4.0"