message: Fix incorrect reference to v2 RouteConfiguration
diff: @@ -78,7 +78,7 @@ public:
  virtual absl::optional<RouteConfigProvider::ConfigInfo> configInfo() const PURE;
  /**
  - * @return envoy::api::v2::RouteConfiguration& current RouteConfiguration.
  + * @return envoy::config::route::v3::RouteConfiguration& current RouteConfiguration.
  */
  virtual const envoy::config::route::v3::RouteConfiguration& routeConfiguration() PURE;
  