Set Gerrit to 3.13.0-rc5

Change-Id: Ic00100e8b026700331e04e7b442f716c25f872fb
diff --git a/Version.mk b/Version.mk
index 4618651..05c2eb6 100644
--- a/Version.mk
+++ b/Version.mk
@@ -1,4 +1,4 @@
 VERSION=3.13.0
-WAR_VERSION=3.13.0-rc4
+WAR_VERSION=3.13.0-rc5
 BRANCH=stable-3.13
-RELEASE=0rc4
+RELEASE=0rc5