Update OWNERS

[google-oss-prow[bot]]

The following users are mentioned in OWNERS file(s) but are untrusted for the following reasons. One way to make the user trusted is to add them as members of the grpc-ecosystem org. You can then trigger verification by writing /verify-owners in a comment.

• shuoyang2016
  • User is not a member of the org. User is not a collaborator. Satisfy at least one of these conditions to make the user trusted.
• dafudeng
  • User is not a member of the org. User is not a collaborator. Satisfy at least one of these conditions to make the user trusted.
• orionHong
  • User is not a member of the org. User is not a collaborator. Satisfy at least one of these conditions to make the user trusted.

[google-oss-prow[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nareddyt, qiwzhang

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/grpc-ecosystem/grpc-httpjson-transcoding/blob/master/OWNERS)~~ [nareddyt,qiwzhang] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment