chore: updated statefulset.yaml with o2cr.ai/openobserve (#7749)

### **User description**
updated statefulset.yaml with o2cr.ai/openobserve


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### **PR Type**
Enhancement


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### **Description**
- Switch OpenObserve container image to new registry


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<details> <summary><h3> File Walkthrough</h3></summary>

<table><thead><tr><th></th><th align="left">Relevant
files</th></tr></thead><tbody><tr><td><strong>Configuration
changes</strong></td><td><table>
<tr>
  <td>
    <details>
<summary><strong>statefulset.yaml</strong><dd><code>Update OpenObserve
image registry path</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; </dd></summary>
<hr>

deploy/k8s/statefulset.yaml

<ul><li>Replaced <code>public.ecr.aws/zinclabs/openobserve:latest</code>
image<br> reference <br>with new registry<br> <li> Now uses
<code>o2cr.ai/openobserve/openobserve:latest</code></ul>


</details>


  </td>
<td><a
href="https://github.com/openobserve/openobserve/pull/7749/files#diff-b7427b97c324a26e57eee30cfb5a659cf40e231f0299ac51bb70ddea5c24016e">+1/-1</a>&nbsp;
&nbsp; &nbsp; </td>

</tr>
</table></td></tr></tr></tbody></table>

</details>

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deploy/k8s/statefulset.yaml

@@ -43,7 +43,7 @@ spec:
       # terminationGracePeriodSeconds: 0
       containers:
         - name: openobserve
-          image: public.ecr.aws/zinclabs/openobserve:latest
+          image: o2cr.ai/openobserve/openobserve:latest
           env:
             - name: ZO_ROOT_USER_EMAIL
               value: root@example.com