patch 8.2.3118: Vim9: "any" type not handled correctly in for loop

Problem:    Vim9: "any" type not handled correctly in for loop.
Solution:   Change compile time check into runtime check. (closes #8516)

src/testdir/test_vim9_script.vim

@@ -2488,6 +2488,12 @@ def Test_for_loop()
       endfor
       assert_equal('foobar', chars)
 
+      chars = ''
+      for x: string in {a: 'a', b: 'b'}->values()
+        chars ..= x
+      endfor
+      assert_equal('ab', chars)
+
       # unpack with type
       var res = ''
       for [n: number, s: string] in [[1, 'a'], [2, 'b']]

src/version.c

@@ -755,6 +755,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3118,
 /**/
     3117,
 /**/

src/vim9compile.c

@@ -7932,7 +7932,7 @@ compile_for(char_u *arg_start, cctx_T *cctx)
 	    if (lhs_type == &t_any)
 		lhs_type = item_type;
 	    else if (item_type != &t_unknown
-			&& ((var_list && item_type == &t_any)
+			&& (item_type == &t_any
 			  ? need_type(item_type, lhs_type,
 						     -1, 0, cctx, FALSE, FALSE)
 			  : check_type(lhs_type, item_type, TRUE, where))