Set Gerrit to 3.11.0-rc5

Change-Id: Ia5d4aca338b406f722156c56575a8957ee32db3c
diff --git a/Version.mk b/Version.mk
index 3122527..7bafb3e 100644
--- a/Version.mk
+++ b/Version.mk
@@ -1,4 +1,4 @@
 VERSION=3.11.0
-WAR_VERSION=3.11.0-rc4
+WAR_VERSION=3.11.0-rc5
 BRANCH=stable-3.11
-RELEASE=0rc4
+RELEASE=0rc5