feat(authz): authz v2, ers v2 protos and gencode for ABAC with actions & registered resource (#2124)

### Proposed Changes

Versioned v2 RPCs for authorization service:

1. logically resolve actions permitted for each attribute value within
the GetEntitlements/GetDecision responses, as these are part of the
desired ABAC decisioning
2. support `registered_resources` (formerly NDR) in auth service
requests
3. separate individual, multi resource, and bulk decision requests
structurally

### Checklist

- [ ] I have added or updated unit tests
- [ ] I have added or updated integration tests (if appropriate)
- [ ] I have added or updated documentation

### Testing Instructions

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Co-authored-by: Ryan Yanulites <[email protected]>

Author: jakedoublev