Bump rustix from 0.38.17 to 0.38.19 in /miri-script

Bumps [rustix](https://github.com/bytecodealliance/rustix) from 0.38.17 to 0.38.19.
- [Release notes](https://github.com/bytecodealliance/rustix/releases)
- [Commits](bytecodealliance/rustix@v0.38.17...v0.38.19)

---
updated-dependencies:
- dependency-name: rustix
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/tools/miri/miri-script/Cargo.lock

@@ -213,9 +213,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.38.17"
+version = "0.38.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f25469e9ae0f3d0047ca8b93fc56843f38e6774f0914a107ff8b41be8be8e0b7"
+checksum = "745ecfa778e66b2b63c88a61cb36e0eea109e803b0b86bf9879fbc77c70e86ed"
 dependencies = [
  "bitflags 2.4.0",
  "errno",