Update dependency checkstyle to v13.4.0

renovate[bot] · web-flow · commit ea1db452998b · 2026-03-29T21:29:36.000Z
diff --git a/build.gradle b/build.gradle
@@ -15,7 +15,7 @@ java {
 }
 
 checkstyle {
-    toolVersion = "13.3.0"
+    toolVersion = "13.4.0"
     maxWarnings = 0
 }
 
