patch 8.2.2445: Vim9: no proper error for lambda missing return type

Problem:    Vim9: no proper error for lambda missing return type.
Solution:   Check for this error. (closes #7758)
diff --git a/src/version.c b/src/version.c
index b320943..9fa14cb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2445,
+/**/
     2444,
 /**/
     2443,