patch 8.2.4863: accessing freed memory in test without the +channel feature

Problem:    Accessing freed memory in test without the +channel feature.
            (Dominique Pellé)
Solution:   Do not generted PUSHCHANNEL or PUSHJOB if they are not
            implemented. (closes #10350)
diff --git a/src/version.c b/src/version.c
index 5277fef..0899944 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4863,
+/**/
     4862,
 /**/
     4861,