patch 8.2.4322: Vim9: crash when using funcref with closure

Problem:    Vim9: crash when using funcref with closure.
Solution:   Keep a reference to the funcref that has the outer context.
            (closes #9716)
diff --git a/src/version.c b/src/version.c
index 97bcfde..c1f90cd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4322,
+/**/
     4321,
 /**/
     4320,