Update plugin com-diffplug-spotless to v8.5.1 (typetools#7724)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ de-undercouch-download = { id = "de.undercouch.download", version = "5.7.0" }
 
 net-ltgt-errorprone = { id = "net.ltgt.errorprone", version = "5.1.0" }
 
-com-diffplug-spotless = { id = "com.diffplug.spotless", version = "8.5.0" }
+com-diffplug-spotless = { id = "com.diffplug.spotless", version = "8.5.1" }
 
 com-gorylenko-gradle-git-properties = { id = "com.gorylenko.gradle-git-properties", version = "2.5.7" }