Use native loopdev implementation instead of loopdev-3 (#209)

* feature(loopdev): add native loop device implementation

The previous loop device implementation required bindgen for no reason,
making cross-compilation difficult.

Signed-off-by: Ariadne Conill <[email protected]>

* feat(runtime): use native krata-loopdev instead of loopdev-3

Signed-off-by: Ariadne Conill <[email protected]>

* chore: update cargo workspace lock file

Signed-off-by: Ariadne Conill <[email protected]>

* chore: appease formatting linter

Signed-off-by: Ariadne Conill <[email protected]>

---------

Signed-off-by: Ariadne Conill <[email protected]>

crates/loopdev/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "krata-loopdev"
+description = "Loop device handling library for krata"
+license.workspace = true
+version.workspace = true
+homepage.workspace = true
+repository.workspace = true
+edition = "2021"
+resolver = "2"
+
+[lib]
+name = "krataloopdev"
+
+[dependencies]
+libc.workspace = true