patch 8.2.0246: MSVC: deprecation warnings with Ruby

Problem:    MSVC: deprecation warnings with Ruby.
Solution:   Move _CRT_SECURE_NO_DEPRECATE to build file. (Ken Takata,
            closes #5622)
diff --git a/src/version.c b/src/version.c
index 8e3f20a..b3f9513 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    246,
+/**/
     245,
 /**/
     244,