Bump puma from 4.3.5 to 4.3.8 in integration/examples/ruby/backend (#6130)
Bump puma from 4.3.5 to 4.3.8 in integration/examples/ruby/backend (#6130)


GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold