patch 9.0.1436: cannot compare a typed variable with v:none

Problem:    Cannot compare a typed variable with v:none.
Solution:   Allow for "x is v:none" and "x isnot v:none". (issue #12194)
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 0f28ba0..2965afa 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
Binary files differ