patch 8.2.0218: several Vim9 instructions are not tested

Problem:    Several Vim9 instructions are not tested.
Solution:   Add more tests.
diff --git a/src/version.c b/src/version.c
index 5a11a1f..b75f5d6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    218,
+/**/
     217,
 /**/
     216,