patch 8.2.1486: Vim9: readdir() expression doesn't accept bool

Problem:    Vim9: readdir() expression doesn't accept bool.
Solution:   Merge with code for readdirex(). (closes #6737)
diff --git a/src/version.c b/src/version.c
index 3c1eb1c..8c98eb4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1486,
+/**/
     1485,
 /**/
     1484,