[Envoy] Using new configuration file norm (#3143)
[Envoy] Using new configuration file norm (#3143)

* Using new configuration file norm

* indent fix

DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core