[zh]Update docs/concepts/observability (#11795)
[zh]Update docs/concepts/observability (#11795)

Signed-off-by: xin.li <839dcfacf023c2e3008e88a79a2cd06041865aef@daocloud.io>

Signed-off-by: xin.li <839dcfacf023c2e3008e88a79a2cd06041865aef@daocloud.io>
istio/istio.io,istio/istio.io,istio/istio.io,istio/istio.io,istio/istio.io,istio/istio.io,istio/istio.io