GROOVY-9538: Bump checkstyle version to 8.3.2
diff --git a/build.gradle b/build.gradle
index f0deb16..613d19e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -149,7 +149,7 @@
     spockVersion = '2.0-groovy-3.0-SNAPSHOT' // supports up to 9.9.99
     spotbugsVersion = '4.0.2'
     spotbugsAnnotationsVersion = '4.0.2'
-    checkstyleVersion = '8.30'
+    checkstyleVersion = '8.32'
     junit5Version = '5.6.2'
     junit5PlatformVersion = '1.6.2'
 }