patch 8.2.2249: termcodes test is flaky when used over ssh

Problem:    Termcodes test is flaky when used over ssh with X forwarding.
Solution:   Set 'mousetime' to a larger value. (Dominique Pellé, closes #7576,
            closes #7563)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2249,
 /**/
     2248,
 /**/