patch 8.2.1469: Vim9: cannot assign string to string option

Problem:    Vim9: cannot assign string to string option.
Solution:   Change checks for option value. (closes #6720)
diff --git a/src/version.c b/src/version.c
index 19a8704..10c659e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1469,
+/**/
     1468,
 /**/
     1467,