patch 8.2.2868: Vim9: when executing compiled expression trylevel is changed

Problem:    Vim9: When executing a compiled expression the trylevel at start
            is changed but not restored. (closes #8214)
Solution:   Restore the trylevel at start.

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2868,
 /**/
     2867,
 /**/