patch 9.0.2072: Vim9: no nr2str conversion in list-unpack

Problem:  Vim9: no nr2str conversion in list-unpack
Solution: Generate 2STRING instruction to convert dict index to string

Generate instruction to convert dict index to a string

fixes:  #13417
closes: #13424

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
diff --git a/src/version.c b/src/version.c
index dc630b8..85db1c6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2072,
+/**/
     2071,
 /**/
     2070,