message: rbac: log requestedServerName in debug
diff: @@ -56,8 +56,9 @@ Http::FilterHeadersStatus
  RoleBasedAccessControlFilter::decodeHeaders(Http::RequestHeaderMap& headers, bool) {
  ENVOY_LOG(
  debug,
  - "checking request: remoteAddress: {}, localAddress: {}, ssl: {}, headers: {}, "
  - "dynamicMetadata: {}",
  + "checking request: requestedServerName: {}, remoteAddress: {}, localAddress: {}, ssl: {}, "
  + "headers: {}, dynamicMetadata: {}",
  + callbacks_->connection()->requestedServerName(),
  callbacks_->connection()->remoteAddress()->asString(),
  callbacks_->connection()->localAddress()->asString(),
  callbacks_->connection()->ssl()
  