patch 8.2.3161: Vim9: no error when reltime() has invalid arguments

Problem:    Vim9: no error when reltime() has invalid arguments.
Solution:   Add an error. (closes #8562)
diff --git a/src/version.c b/src/version.c
index e20a32c..7e3455d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3161,
+/**/
     3160,
 /**/
     3159,