fix: 🐛 Update worker_filter label for AWS DHC w/ static creds (#3114)

* fix: 🐛 Update worker_filter label for AWS DHC w/ static creds

* test: 💍 add test case

* test: 💍 fix serializer tests

addons/api/addon/generated/models/host-catalog.js

@@ -72,7 +72,7 @@ export default class GeneratedHostCatalogModel extends BaseModel {
   @attr('string', {
     for: {
       type: 'plugin',
-      name: ['aws', 'gcp'],
+      name: ['aws', 'azure', 'gcp'],
     },
     description:
       'An expression used to filter the workers that have network access to a service that is hosting the external object store.',