patch 8.2.3353: Vim9: type of argument for negate not checked at compile time

Problem:    Vim9: type of argument for negate not checked at compile time.
Solution:   Add a compile time check.

src/testdir/test_vim9_script.vim

@@ -469,21 +469,21 @@ def Test_try_catch_throw()
 
   try
     n = -g:astring
-  catch /E39:/
+  catch /E1012:/
     n = 233
   endtry
   assert_equal(233, n)
 
   try
     n = +g:astring
-  catch /E1030:/
+  catch /E1012:/
     n = 244
   endtry
   assert_equal(244, n)
 
   try
     n = +g:alist
-  catch /E745:/
+  catch /E1012:/
     n = 255
   endtry
   assert_equal(255, n)