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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ protobuf = "0.9.5"
 springBoot = "3.5.4"
 downloadTask = "5.6.0"
 spotless = "7.2.1"
-checkstyleTools = "10.26.1"
+checkstyleTools = "12.1.0"
 springDependencyManagement = "1.1.7"
 
 # direct dependencies