Update plugin spotless to v8 (#357)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -26,7 +26,7 @@ sqldelight-dialect = { module = "app.cash.sqldelight:sqlite-3-38-dialect", versi
 [plugins]
 burst = "app.cash.burst:2.7.1"
 compose-compiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
-spotless = "com.diffplug.spotless:7.2.1"
+spotless = "com.diffplug.spotless:8.0.0"
 sqldelight = { id = "app.cash.sqldelight", version.ref = "sqldelight" }
 kotlin-multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
 kotlin-plugin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }