patch 9.0.1024: CI doesn't use the latest FreeBSD version

Problem:    CI doesn't use the latest FreeBSD version.
Solution:   Go from 12.3 to 12.4. (closes #11423)
diff --git a/src/version.c b/src/version.c
index 5db72d2..7360dc2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1024,
+/**/
     1023,
 /**/
     1022,