patch 8.2.1204: Vim9: true and false not recognized in Vim9 script

Problem:    Vim9: true and false not recognized in Vim9 script.
Solution:   Recognize true and false.
diff --git a/src/version.c b/src/version.c
index fa57356..49896f7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1204,
+/**/
     1203,
 /**/
     1202,