patch 8.1.2407: proto files, dependencies and build instructions outdated

Problem:    proto file, dependenciess and Build instructions outdated.
Solution:   Update proto files, dependencies and build instructions.
diff --git a/src/version.c b/src/version.c
index c03c3c0..51f10a4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2407,
+/**/
     2406,
 /**/
     2405,