Merge pull request #2771 from k8s-infra-cherrypick-robot/cherry-pick-2768-to-release-0.12

[release-0.12] 🌱 Add Moshiur as reviewer

Author: k8s-ci-robot

OWNERS_ALIASES

@@ -21,3 +21,5 @@ aliases:
   cluster-api-openstack-maintainers:
     - emilienm
     - lentzi90
+  cluster-api-openstack-reviewers:
+    - smoshiur1237