Merge pull request #2042 from square/renovate/com.diffplug.spotless-8.x

Update plugin spotless to v8.1.0

Author: JakeWharton

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ japicmp = { id = "me.champeau.gradle.japicmp", version = "0.4.6" }
 ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
 mavenPublish = { id = "com.vanniktech.maven.publish", version = "0.35.0" }
 mavenShadow = { id = "com.github.johnrengelman.shadow", version = "8.1.1" }
-spotless = { id = "com.diffplug.spotless", version = "8.0.0" }
+spotless = { id = "com.diffplug.spotless", version = "8.1.0" }
 
 [libraries]
 asm = "org.ow2.asm:asm:9.9"