patch 8.2.1784: commits are not scanned for security problems

Problem:    commits are not scanned for security problems
Solution:   Enable Github code scanning. (Christian Brabandt, closes #7057)
diff --git a/src/version.c b/src/version.c
index d2d285f..31e8359 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1784,
+/**/
     1783,
 /**/
     1782,