Upgrade pest to 2.5.5 am: e8cf4959fc am: 59d63499fd am: 7a01978ac9 am: 704184965a

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pest/+/2441179

Change-Id: Icf889640046a0507ed725c8c45720c2e779fb433
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>