feat: Extend HapiSpec by supporting TokenReject operation.

[MrValioBg]

Description: This PR adds new HapiTokenReject Hapi spec operation.

Related issue(s):

Fixes #12837

Notes for reviewer:

• This PR is not aimed for develop.
• We expect compile-time error, as the branch for the protobuf changes is not yet updated in the protobuf repo.

Checklist

• [ ] Documented (Code comments, README, etc.)
• [ ] Tested (unit, integration, etc.)