Adds Netapp to participants (#235)

### Description

<!-- Describe what this change achieves-->
 
### Issues Resolved

<!-- List any issues this PR will resolve. -->
<!-- Example: closes #1234 -->

closes #226 

### Check List
- [x] Commits are signed per the DCO using `--signoff`

By submitting this pull request, I confirm that my contribution is made
under the terms of the BSD-3-Clause License.

---------

Signed-off-by: Nigel Brown <[email protected]>
Signed-off-by: Nigel Brown <[email protected]>

Author: pnbrown

_data/participants.yml

@@ -79,3 +79,13 @@
     Oracle Cloud Infrastructure (OCI) is a deep and broad platform of public cloud services that enables customers to build and run a wide range of applications in a scalable, secure, highly available, fault-tolerant, and high-performance environment.
   offering: >
     Achieve sub-millisecond latency with [Oracle Cloud Infrastructure (OCI) Cache](https://www.oracle.com/cloud/cache/).
+
+- name: NetApp Instaclustr
+  link: https://www.instaclustr.com/platform/
+  image:
+    path: /img/netapp_instaclustr.svg
+    alt: NetApp Instaclustr logo
+  company: >
+    The [Instaclustr Platform](https://www.instaclustr.com/platform/) offers a unified approach to optimizing every facet of your data infrastructure, streamlining the process and enhancing your data ecosystem using open source software.
+  offering: >
+    [NetApp® Instaclustr for Valkey™](https://www.instaclustr.com/platform/managed-valkey/) gives you a powerful combination of automated features within our platform, 24x7 expert support, and enterprise-grade processes that can handle the most demanding customer requirements.