build: Bump r-efi from 4.3.0 to 4.4.0

Bumps [r-efi](https://github.com/r-efi/r-efi) from 4.3.0 to 4.4.0.
- [Release notes](https://github.com/r-efi/r-efi/releases)
- [Changelog](https://github.com/r-efi/r-efi/blob/main/NEWS.md)
- [Commits](r-efi/r-efi@v4.3.0...v4.4.0)

---
updated-dependencies:
- dependency-name: r-efi
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -28,7 +28,7 @@ efi-var = []
 [dependencies]
 bitflags = "2.5.0"
 atomic_refcell = "0.1.13"
-r-efi = { version = "4.3.0", features = ["efiapi"] }
+r-efi = { version = "4.4.0", features = ["efiapi"] }
 linked_list_allocator = "0.10.4"
 
 [target.'cfg(target_arch = "aarch64")'.dependencies]