Set Gerrit on MacOS to 2.16.5

Change-Id: I4374ebea80b9486f0139994d4ec1a503fad6503e
diff --git a/macOS/Makefile b/macOS/Makefile
index c622249..631c5c8 100644
--- a/macOS/Makefile
+++ b/macOS/Makefile
@@ -1,4 +1,4 @@
-VERSION := 2.16.4
+VERSION := 2.16.5
 
 all: server