patch 8.2.1551: Vim9: error for argument type does not mention the number

Problem:    Vim9: error for argument type does not mention the number.
Solution:   Pass the argument number to where the error is given.
diff --git a/src/version.c b/src/version.c
index 8e11299..901f540 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1551,
+/**/
     1550,
 /**/
     1549,