Upgrade sec1 to 0.7.3 am: 3b65df0b6f

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/sec1/+/2877561

Change-Id: Idf980e06d1c465050baa2d51ad83235b4fc1f140
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>