Update dependency com.diffplug.spotless to v7

Author: renovate[bot]

gradle/libs.versions.toml

@@ -44,7 +44,7 @@ androidTestRunner = "1.3.0-beta01"
 espresso = "3.6.1"
 mockito = "5.15.2"
 mockito-kotlin = "5.4.0"
-spotless = "6.25.0"
+spotless = "7.0.2"
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }