patch 8.2.3651: Vim9: no error for :lock or :unlock with unknown variable

Problem:    Vim9: no error for :lock or :unlock with unknown variable.
Solution:   Give an error. (closes #9188)
diff --git a/src/version.c b/src/version.c
index 121ce6e..f2bcb19 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3651,
+/**/
     3650,
 /**/
     3649,