patch 8.2.2124: Vim9: a range cannot be computed at runtime

Problem:    Vim9: a range cannot be computed at runtime.
Solution:   Add the ISN_RANGE instruction.

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2124,
 /**/
     2123,
 /**/