chore: add Mercedes-Benz Tech Innovation to user list (argoproj#11682)

Signed-off-by: Marco Lecheler <marco.lecheler@mercedes-benz.com>

Signed-off-by: Marco Lecheler <marco.lecheler@mercedes-benz.com>
Signed-off-by: schakrad <chakradari.sindhu@gmail.com>

USERS.md

@@ -135,6 +135,7 @@ Currently, the following organizations are **officially** using Argo CD:
 1. [Max Kelsen](https://www.maxkelsen.com/)
 1. [MeDirect](https://medirect.com.mt/)
 1. [Meican](https://meican.com/)
+1. [Mercedes-Benz Tech Innovation](https://www.mercedes-benz-techinnovation.com/)
 1. [Metanet](http://www.metanet.co.kr/en/)
 1. [MindSpore](https://mindspore.cn)
 1. [Mirantis](https://mirantis.com/)