Merge pull request stratis-storage#898 from mulkieran/loopdev-3

Use loopdev-3 instead of loopdev package

Cargo.toml

@@ -27,7 +27,7 @@ log = "0.4.14"
 [dev-dependencies]
 assert_matches = "1.5.0"
 libmount = "0.1.11"
-loopdev = "0.4.0"
+loopdev-3 = "0.5.0"
 tempfile = "3.0.2"
 
 [dev-dependencies.uuid]
@@ -44,8 +44,3 @@ path = "./devicemapper-rs-sys"
 
 [build-dependencies]
 semver = "1.0.0"
-
-# FIXME: remove when loopdev dependency lower bound is increased from 0.4.0
-[patch.crates-io.loopdev]
-git = "https://github.com/mulkieran/loopdev"
-branch = "bump-bindgen-reduce-version-0.68.1"