track(merged): feat(cmd): Add authbridge-proxy and authbridge-envoy lite binaries (ext#407)

Tracking stub for **merged PR kagenti-extensions#407** — auto-created so it rolls up as completed work under epic #1458.

https://github.com/kagenti/kagenti-extensions/pull/407

_Closed because the PR is already merged. Label `epic-progress` marks auto-created trackers._