Update Gerrit in example-setup Dockerfile to 3.11.4

Change-Id: I0c29f924639491843d944f02c08cb84f2f33e323

example-setup/broker/Dockerfile

diff --git a/example-setup/broker/Dockerfile b/example-setup/broker/Dockerfile
index 8419c8e..9c09461 100644
--- a/example-setup/broker/Dockerfile
+++ b/example-setup/broker/Dockerfile
@@ -1,4 +1,4 @@
-FROM gerritcodereview/gerrit:3.10.0-almalinux9
+FROM gerritcodereview/gerrit:3.11.4
 
 USER root
 

example-setup/http/Dockerfile

diff --git a/example-setup/http/Dockerfile b/example-setup/http/Dockerfile
index 4a824a7..18d88ec 100644
--- a/example-setup/http/Dockerfile
+++ b/example-setup/http/Dockerfile
@@ -1,4 +1,4 @@
-FROM gerritcodereview/gerrit:3.10.0-almalinux9
+FROM gerritcodereview/gerrit:3.11.4
 
 USER root