Add Tigera to USERS.md (#7435)
Add Tigera to USERS.md (#7435)

Signed-off-by: Vaibhav Thakur <e78384dfaa97bf0f3945c4da4075af8ac33ade0a@tigera.io>

Co-authored-by: Vaibhav Thakur <e78384dfaa97bf0f3945c4da4075af8ac33ade0a@tigera.io>
argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd