Update Ra branch to test init optimisation

Author: kjnilsson

rabbitmq-components.mk

@@ -116,7 +116,7 @@ dep_cowlib = hex 2.9.1
 dep_jsx = hex 3.1.0
 dep_looking_glass = git https://github.com/rabbitmq/looking_glass master
 dep_prometheus = hex 4.8.1
-dep_ra = git https://github.com/rabbitmq/ra.git main
+dep_ra = git https://github.com/rabbitmq/ra.git opt-server-init
 dep_ranch = hex 2.1.0
 dep_recon = hex 2.5.1
 dep_observer_cli = hex 1.7.1