Update codeowners for ess_billing package (elastic#15317)

* Update codeowners for ess_billing

Author: lalit-satapathy

.github/CODEOWNERS

@@ -214,7 +214,7 @@
 /packages/entro @elastic/security-service-integrations
 /packages/envoyproxy @elastic/obs-infraobs-integrations
 /packages/eset_protect @elastic/security-service-integrations
-/packages/ess_billing @elastic/customer-architects
+/packages/ess_billing @elastic/customer-architects @elastic/obs-infraobs-integrations
 /packages/etcd @elastic/obs-infraobs-integrations
 /packages/extrahop @elastic/security-service-integrations
 /packages/f5_bigip @elastic/security-service-integrations

packages/ess_billing/changelog.yml

@@ -1,4 +1,9 @@
 # newer versions go on top
+- version: "1.6.0"
+  changes:
+    - description: Update codeowners
+      type: enhancement
+      link: https://github.com/elastic/integrations/pull/15317
 - version: "1.5.2"
   changes:
     - description: Fix legacy documentation links in the package README.

packages/ess_billing/manifest.yml

@@ -1,7 +1,7 @@
 format_version: 3.3.2
 name: ess_billing
 title: "Elasticsearch Service Billing"
-version: "1.5.2"
+version: "1.6.0"
 source:
   license: "Elastic-2.0"
 description: "Collects billing metrics from Elasticsearch Service billing API"
@@ -105,5 +105,5 @@ policy_templates:
               #    sxSmbIUfc2SGJGCJD4I=
               #    -----END CERTIFICATE-----
 owner:
-  github: elastic/customer-architects
-  type: community
+  github: elastic/obs-infraobs-integrations
+  type: elastic