patch 8.2.2406: Vim9: profiled :def function leaks memory

Problem:    Vim9: profiled :def function leaks memory.
Solution:   Delete the profiled instructions.
diff --git a/src/version.c b/src/version.c
index 136448a..5153086 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2406,
+/**/
     2405,
 /**/
     2404,