patch 8.2.3332: Vim9: cannot assign to range in list

Problem:    Vim9: cannot assign to range in list.
Solution:   Implement overwriting a list range.
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index a96e97c..dffec4f 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -1821,7 +1821,7 @@
   CheckDefFailure([
     'var ll = [1, 2]',
     'll[1 : 2] = 7',
-    ], 'E1165:', 2)
+    ], 'E1012: Type mismatch; expected list<number> but got number', 2)
   CheckDefFailure([
     'var dd = {a: 1}',
     'unlet dd["a" : "a"]',