patch 8.2.3809: Vim9: crash when garbage collecting a nested partial

Problem:    Vim9: crash when garbage collecting a nested partial. (Virginia
            Senioria)
Solution:   Set references in all the funcstacks. (closes #9348)
diff --git a/src/version.c b/src/version.c
index 6410f4f..c7f6fe7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3809,
+/**/
     3808,
 /**/
     3807,