Switch back to upstream mbrman crate again and update to v0.5.1

Author: phil-opp

Cargo.lock

@@ -40,10 +40,7 @@ bootloader-x86_64-bios-common = { version = "0.11.0-beta.4", path = "bios/common
 anyhow = "1.0.32"
 fatfs = "0.3.4"
 gpt = "3.0.0"
-# replace with `mbrman` crate once
-# https://github.com/rust-disk-partition-management/mbrman/pull/25
-# is merged
-mbrman = { version = "0.0.1", package = "mbrman---bitvec-1-0" }
+mbrman = "0.5.1"
 tempfile = "3.3.0"
 
 [dev-dependencies]