chore: add ziprecruiter to users (#21076)

Signed-off-by: Matt Finkel <[email protected]>

Author: fffinkel

USERS.md

@@ -392,4 +392,5 @@ Currently, the following organizations are **officially** using Argo CD:
 1. [Yubo](https://www.yubo.live/)
 1. [ZDF](https://www.zdf.de/)
 1. [Zimpler](https://www.zimpler.com/)
+1. [ZipRecuiter](https://www.ziprecruiter.com/)
 1. [ZOZO](https://corp.zozo.com/)