rust-sysinfo 0.28.4-2 s390x regression: test_refresh_tasks fails

[Benjamin Drung]

rust-sysinfo 0.28.4-2 regresses on s390x:

```
---- test_refresh_tasks stdout ----
thread 'test_refresh_tasks' panicked at 'assertion failed: s.process(pid).unwrap().tasks.values().any(|t| t.name() == task_name)', tests/process.rs:428:5
stack backtrace:
   0: rust_begin_unwind
             at /build/rustc-xdq61n/rustc-1.71.1+dfsg0ubuntu1/library/std/src/panicking.rs:593:5
   1: core::panicking::panic_fmt
             at /build/rustc-xdq61n/rustc-1.71.1+dfsg0ubuntu1/library/core/src/panicking.rs:67:14
   2: core::panicking::panic
             at /build/rustc-xdq61n/rustc-1.71.1+dfsg0ubuntu1/library/core/src/panicking.rs:117:5
   3: process::test_refresh_tasks
             at ./tests/process.rs:428:5
   4: process::test_refresh_tasks::{{closure}}
             at ./tests/process.rs:410:25
   5: core::ops::function::FnOnce::call_once
             at /build/rustc-xdq61n/rustc-1.71.1+dfsg0ubuntu1/library/core/src/ops/function.rs:250:5
   6: core::ops::function::FnOnce::call_once
             at /build/rustc-xdq61n/rustc-1.71.1+dfsg0ubuntu1/library/core/src/ops/function.rs:250:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
```

Full log: https://autopkgtest.ubuntu.com/results/autopkgtest-mantic/mantic/s390x/r/rust-sysinfo/20230921_101027_185ae@/log.gz

[Jeremy Bícha (jbicha)]

https://autopkgtest.ubuntu.com/packages/r/rust-sysinfo/noble/s390x

[Benjamin Drung (bdrung)]

So rust-sysinfo 0.28.4-4 addressed the failures.