fix(deps): update dependency com.diffplug.spotless:spotless-plugin-gradle to v8 (#373)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -73,7 +73,7 @@ jetbrains-kotlin-gradle = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin"
 mockk = { module = "io.mockk:mockk", version.ref = "io-mockk" }
 mockk-android = { module = "io.mockk:mockk-android", version.ref = "io-mockk" }
 
-spotless-gradle = "com.diffplug.spotless:spotless-plugin-gradle:7.2.1"
+spotless-gradle = "com.diffplug.spotless:spotless-plugin-gradle:8.0.0"
 
 squareup-kotlinpoet = "com.squareup:kotlinpoet:2.2.0"