Bump linux-raw-sys from 0.9.3 to 0.9.4

Bumps [linux-raw-sys](https://github.com/sunfishcode/linux-raw-sys) from 0.9.3 to 0.9.4.
- [Commits](sunfishcode/linux-raw-sys@v0.9.3...v0.9.4)

---
updated-dependencies:
- dependency-name: linux-raw-sys
  dependency-version: 0.9.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -17,7 +17,7 @@ default-env = "0.1.1"
 embedded-io = "0.6.1"
 goblin = { version = "0.9.3", default-features = false, features = ["elf32", "elf64"] }
 heapless = "0.8.0"
-linux-raw-sys = { version = "0.9.3", default-features = false, features = ["no_std", "general", "errno"] }
+linux-raw-sys = { version = "0.9.4", default-features = false, features = ["no_std", "general", "errno"] }
 log = "0.4.27"
 
 [build-dependencies]