patch 8.2.2505: Vim9: crash after defining function with invalid return type

Problem:    Vim9: crash after defining function with invalid return type.
Solution:   Clear function growarrays.  Fix memory leak.
diff --git a/src/version.c b/src/version.c
index 465b5b0..6ec23a9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2505,
+/**/
     2504,
 /**/
     2503,