patch 8.2.3035: Vim9: crash when calling :def function with partial

Problem:    Vim9: crash when calling :def function with partial and return
            type is not set.
Solution:   When the return type is not set handle like the return type is
            unknown. (closes #8422)
diff --git a/src/version.c b/src/version.c
index 5502952..653e578 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3035,
+/**/
     3034,
 /**/
     3033,