Migrate to cargo_embargo. am: a5a5eebce0 am: 287e1b6223

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/bytemuck_derive/+/2822379

Change-Id: Ib82b47ce9bcbe522d9942c176e03f1c78b6a0ef7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>