patch 8.2.2943: Vim9: check for argument count ignores default values

Problem:    Vim9: check for argument count ignores default values.
Solution:   Take default argument values into account.
diff --git a/src/version.c b/src/version.c
index ce8273f..87bc2a0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2943,
+/**/
     2942,
 /**/
     2941,