patch 8.2.2131: Vim9: crash when lambda uses same var as assignment

Problem:    Vim9: crash when lambda uses same var as assignment.
Solution:   Do not let lookup_local change lv_from_outer, make a copy.
            (closes #7461)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2131,
 /**/
     2130,
 /**/