GROOVY-9356: Bump javaparser to 3.15.8
diff --git a/build.gradle b/build.gradle
index 71a923c..0255bf9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -141,7 +141,7 @@
     ivyVersion = '2.5.0'
     jansiVersion = '1.18'
     jarjarVersion = '1.7.2'
-    javaParserVersion = '3.15.7'
+    javaParserVersion = '3.15.8'
     jlineVersion = '2.14.6'
     jmockVersion = '1.2.0'
     logbackVersion = '1.1.7'