patch 8.2.1429: Vim9: no error for missing white after : in dict

Problem:    Vim9: no error for missing white after : in dict.
Solution:   Check for white space. (closes #6671)  Also check that there is no
            white before the :.
diff --git a/src/version.c b/src/version.c
index 46d027d..b290fdc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1429,
+/**/
     1428,
 /**/
     1427,