patch 8.2.3412: Vim9: importing the wrong file

Problem:    Vim9: importing the wrong file.
Solution:   Correct the file name.  Delete the file afterwards.
diff --git a/src/version.c b/src/version.c
index e5facba..81845b7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3412,
+/**/
     3411,
 /**/
     3410,