Upgrade rust/crates/regex to 1.4.1 am: 849e4457e7 am: 7767e43fa4 am: 4ba5657398

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/regex/+/1474897

Change-Id: I21593a96bd772c83839151aa230434c2ff6c168e