patch 8.2.2134: Vim9: get E1099 when autocmd triggered in builtin function

Problem:    Vim9: get E1099 when autocmd triggered in builtin function.
Solution:   Check that did_emsg increased instead of checking that it changed.
            (closes #7448)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2134,
 /**/
     2133,
 /**/