Pin rabbitmq-ha 3rd party chart from 1.36.4 to 1.44.1

Latest rabbitmq-ha `1.44.4` fails with error:
```
Error: validation failed: unable to recognize "": no matches for kind "PrometheusRule" in version "monitoring.coreos.com/v1"
```

Author: armab

CHANGELOG.md

@@ -8,7 +8,7 @@
 * Migrate from `py2` `Ubuntu Xenial` to `py3` `Ubuntu Bionic` as a base StackStorm OS (StackStorm/st2-dockerfiles#16, #129)
 * Switch from MongoDB `3.4` to `4.0` for the mongodb-ha Helm chart (#129)
 * Update `etcd-operator` 3rd party chart from `0.10.0` to latest `0.10.3` (#129)
-* Update `rabbitmq-ha` 3rd party chart from `1.36.4` to latest `1.44.4` (#129)
+* Update `rabbitmq-ha` 3rd party chart from `1.36.4` to `1.44.1` (#129)
 
 
 ## v0.27.0

requirements.yaml

@@ -1,6 +1,6 @@
 dependencies:
   - name: rabbitmq-ha
-    version: 1.44.4
+    version: 1.44.1
     repository: https://kubernetes-charts.storage.googleapis.com/
     condition: rabbitmq-ha.enabled
   - name: mongodb-replicaset