Merge pull request kubernetes-sigs#1421 from mdbooth/lennart

✨Add lentzi90 to reviewers

Author: k8s-ci-robot

OWNERS_ALIASES

@@ -29,4 +29,5 @@ aliases:
     - mdbooth
     - seanschneeweiss
     - tobiasgiese
-  cluster-api-openstack-reviewers: []
+  cluster-api-openstack-reviewers:
+    - lentzi90