Update sysinfo requirement from 0.29 to 0.30

Cargo.toml

@@ -198,7 +198,7 @@ proptest.workspace = true
 static_assertions.workspace = true
 
 # Used in examples to portably query the OS process list
-sysinfo = { version = "0.29", default-features = false }
+sysinfo = { version = "0.30", default-features = false }
 
 # Used to test file I/O
 tempfile = "3.8"

examples/bind_process_cpu.rs

@@ -4,7 +4,6 @@ use hwlocality::{
     object::{types::ObjectType, TopologyObject},
     ProcessId, Topology,
 };
-use sysinfo::SystemExt;
 
 /// Example which binds an arbitrary process (in this example this very same one)
 /// to the last processing unit (core or hyperthread).
@@ -19,7 +18,7 @@ fn main() -> eyre::Result<()> {
         println!("This example needs support for querying and setting process CPU bindings");
         return Ok(());
     }
-    if !sysinfo::System::IS_SUPPORTED {
+    if !sysinfo::IS_SUPPORTED_SYSTEM {
         println!("This example needs support for querying current PID");
         return Ok(());
     }

examples/process_cpu_bindings.rs

@@ -8,7 +8,7 @@ use hwlocality::{
     },
     ProcessId, Topology,
 };
-use sysinfo::{ProcessRefreshKind, RefreshKind, System, SystemExt};
+use sysinfo::{ProcessRefreshKind, RefreshKind, System};
 
 /// Example which displays process CPU bindings
 fn main() -> eyre::Result<()> {
@@ -20,7 +20,7 @@ fn main() -> eyre::Result<()> {
         println!("This example needs support for querying process CPU bindings");
         return Ok(());
     }
-    if !sysinfo::System::IS_SUPPORTED {
+    if !sysinfo::IS_SUPPORTED_SYSTEM {
         println!("This example needs support for querying the process list");
         return Ok(());
     }

src/topology/builder.rs

@@ -1020,7 +1020,6 @@ pub(crate) mod tests {
         },
         panic::UnwindSafe,
     };
-    use sysinfo::PidExt;
     use tempfile::NamedTempFile;
 
     // Check that public types in this module keep implementing all expected