chore(deps): update plugin com.diffplug.spotless to v8 (#775)

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This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| com.diffplug.spotless | `7.2.1` -> `8.0.0` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.diffplug.spotless:com.diffplug.spotless.gradle.plugin/8.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|

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build.gradle

@@ -24,7 +24,7 @@ plugins {
     id 'com.android.library' version '8.13.1' apply false
     id 'org.jetbrains.kotlin.android' version "$kotlinVersion" apply false
     id "org.jetbrains.kotlin.kapt" version "$kotlinVersion" apply false
-    id "com.diffplug.spotless" version "7.2.1" apply false
+    id "com.diffplug.spotless" version "8.0.0" apply false
     id 'io.gitlab.arturbosch.detekt' version '1.23.8' apply false
     id 'com.android.application' version '8.13.1' apply false
 }