Migrate to cargo_embargo. am: e53b3ccd03 am: f42209363c am: 839d082991

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pest_meta/+/2821839

Change-Id: I0b9c9a9412edcc127f9ad0e0380d8e464799a39d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>