update jdt.core to I20200429-1800 for 4.16 M2
diff --git a/org.eclipse.jdt.core/scripts/.gitignore b/org.eclipse.jdt.core/scripts/.gitignore
index 26c9132..53930a6 100644
--- a/org.eclipse.jdt.core/scripts/.gitignore
+++ b/org.eclipse.jdt.core/scripts/.gitignore
@@ -1,2 +1,3 @@
 /backup
 /output
+/*.class