patch 9.1.0299: Vim9: return type not set for a lambda assigned to script var

Problem:  Vim9: return type not set for a lambda assigned to script var
          (Ernie Rael)
Solution: Correctly determine the return type (Yegappan Lakshmanan)

fixes: #14445
closes: #14473

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 520b7e9..db892ab 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    299,
+/**/
     298,
 /**/
     297,