[stable/rabbitmq-ha] Update maintainers (#10179)

Signed-off-by: Steven Sheehy <ssheehy@firescope.com>

stable/rabbitmq-ha/Chart.yaml

@@ -1,7 +1,7 @@
 name: rabbitmq-ha
 apiVersion: v1
 appVersion: 3.7.8
-version: 1.14.3
+version: 1.14.4
 description: Highly available RabbitMQ cluster, the open source message broker
   software that implements the Advanced Message Queuing Protocol (AMQP).
 keywords:
@@ -17,5 +17,5 @@ sources:
 - https://github.com/rabbitmq/rabbitmq
 - https://github.com/docker-library/rabbitmq
 maintainers:
-- name: etiennetremel
-  email: etienne.tremel@container-solutions.com
+- name: steven-sheehy
+  email: ssheehy@firescope.com

stable/rabbitmq-ha/OWNERS

@@ -0,0 +1,5 @@
+approvers:
+  - steven-sheehy
+reviewers:
+  - steven-sheehy
+