Update plugin spotless to v7.0.3

Author: renovate[bot]

gradle/libs.versions.toml

@@ -29,4 +29,4 @@ kotlin = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kover = { id = "org.jetbrains.kotlinx.kover", version.ref = "kover" }
 qodana = { id = "org.jetbrains.qodana", version.ref = "qodana" }
 grammarkit= { id = "org.jetbrains.grammarkit", version.ref = "grammarkit" }
-spotless = { id = "com.diffplug.spotless", version = "7.0.2" }
+spotless = { id = "com.diffplug.spotless", version = "7.0.3" }