docs: add Techcombank to users (#10085)
docs: add Techcombank to users (#10085)

Signed-off-by: Tuan Anh Tran <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@tuananh.org>
argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd