patch 9.1.0329: String interpolation fails for Dict type

Problem:  String interpolation fails for Dict type
Solution: Support Dict data type properly, also support :put =Dict
          (without having to convert it to string() first)
          (Yegappan Lakshmanan)

fixes: #14529
closes: #14541

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/vim9execute.c b/src/vim9execute.c
index 2d128e0..b3e8939 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -1653,6 +1653,7 @@
 	    case VAR_BOOL:
 	    case VAR_NUMBER:
 	    case VAR_FLOAT:
+	    case VAR_DICT:
 	    case VAR_BLOB:	break;
 
 	    case VAR_LIST: