patch 9.0.1224: cannot call a :def function with a number for float argument

Problem:    Cannot call a :def function with a number for a float argument.
Solution:   Accept a number as well, convert it to a float.
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index bf8b705..44a8d4b 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
Binary files differ