C7-Digital/c7_ledger: admin/proto/VENDORED.md

# Vendored Canton Admin API Protos This directory contains a copy of selected Canton participant admin API protos used by `@c7-digital/admin`. ## Source Upstream: https://github.com/digital-asset/canton Pinned commit: `df0ed749f` (2026-04-22) Source path: `community/admin-api/src/main/protobuf/com/d