patch 8.2.2311: Vim9: cannot assign to variable that shadows command modifier

Problem:    Vim9: cannot assign to a variable that shadows a command modifier.
Solution:   Check for assignment after possible command modifier.
            (closes #7632)
diff --git a/src/version.c b/src/version.c
index 0d9816b..c79b219 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2311,
+/**/
     2310,
 /**/
     2309,