Use osiris from a branch

Author: mkuratczyk

rabbitmq-components.mk

@@ -49,7 +49,7 @@ dep_jose = hex 1.11.10
 dep_khepri = hex 0.17.1
 dep_khepri_mnesia_migration = hex 0.8.0
 dep_meck = hex 1.0.0
-dep_osiris = git https://github.com/rabbitmq/osiris v1.8.8
+dep_osiris = git https://github.com/rabbitmq/osiris new-seshat
 dep_prometheus = git https://github.com/prometheus-erl/prometheus.erl master
 dep_ra = git https://github.com/rabbitmq/ra expose-ra-counters
 dep_ranch = hex 2.2.0