patch 8.2.4373: expression test fails

Problem:    Expression test fails.
Solution:   Make the test work with latest Vim9 syntax.
diff --git a/src/version.c b/src/version.c
index 744ed8d..3054727 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4373,
+/**/
     4372,
 /**/
     4371,