patch 8.2.4519: Vim9: Can still use ":fini" and ":finis" for ":finish"

Problem:    Vim9: Can still use ":fini" and ":finis" for ":finish".
Solution:   Require using ":finish".
diff --git a/src/version.c b/src/version.c
index 771530a..800b8fc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4519,
+/**/
     4518,
 /**/
     4517,