chore: update dependency com.puppycrawl.tools:checkstyle to v12

Author: renovate[bot]

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ shadow = "9.2.2"
 juppiter = "0.5.0-beta.2"
 spotless = "8.0.0"
 nexusPublish = "2.0.0"
-checkstyleTools = "11.1.0"
+checkstyleTools = "12.0.0"
 
 # testing
 junit = "6.0.0"