Updated contributors section for go client public preview announcement (#222)

### Description

Updated contributors section for go client public preview announcement 

### 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: Niharika Bhavaraju <[email protected]>
Signed-off-by: Madelyn Olson <[email protected]>
Co-authored-by: Madelyn Olson <[email protected]>

Author: niharikabhavaraju

content/blog/2025-03-4-go-client-in-public-preview.md

@@ -317,4 +317,4 @@ A huge thank you to all the contributors who have made this possible - your dedi
 
 [Prateek Kumar](https://github.com/prateek-kumar-improving) (Improving)
 
-Kudos to [Aaron Congo](https://github.com/aaron-congo) who created the backbone of the client 🚀
+Kudos to [Aaron Congo](https://github.com/aaron-congo) who created the backbone of the client 🚀 and to [Umit Unal](https://github.com/umit), [Michael](https://github.com/MikeMwita) for their contributions!