Migrate to cargo_embargo. am: e575ba77a4 am: 0380632862 am: 0255dc3b4f

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/argh_derive/+/2796278

Change-Id: Id525dda3690410a2399d7367a91f9b3ec7fde164
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>