deps(rustix): enable use-libc to route syscalls through glibc

Without use-libc, rustix uses direct inline assembly syscalls,
bypassing glibc entirely. On a glibc-based system like Debian,
this can break LD_PRELOAD interposition, sanitizers, and miss
glibc optimizations like the getpid() cache.

Author: sylvestre

Cargo.toml

@@ -450,9 +450,11 @@ rstest = "0.26.0"
 rstest_reuse = "0.7.0"
 rustc-hash = "2.1.1"
 rust-ini = "0.21.0"
-# binary name of coreutils can be hijacked by overriding getauxval via LD_PRELOAD
-# So we use param and avoid libc backend
-rustix = { version = "1.1.4", features = ["param"] }
+# use-libc: route syscalls through glibc instead of direct inline assembly,
+# ensuring compatibility with LD_PRELOAD, sanitizers, and glibc optimizations (e.g. getpid cache)
+rustix = { version = "1.1.4", default-features = false, features = [
+  "use-libc",
+] }
 same-file = "1.0.6"
 self_cell = "1.0.4"
 selinux = "0.6"