patch 8.1.1330: using bold attribute in terminal changes the color

Problem:    Using bold attribute in terminal changes the color. (Jason
            Franklin)
Solution:   Don't set the "bold-highbright" flag in vterm unless the terminal
            supports less than 16 colors.

src/version.c

@@ -767,6 +767,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1330,
 /**/
     1329,
 /**/