Derive Debug, Copy, Eq, Hash etc on ReachabilityFlag

The upgrade from bitflags 1 -> 2 removed them
In total we lose the Ord/PartialOrd implementations. But those
did not make any sense for this type anyway, so that's good. But
breaking.

system-configuration/src/network_reachability.rs

@@ -85,6 +85,7 @@ bitflags::bitflags! {
     /// Rustier interface for [`SCNetworkReachabilityFlags`].
     ///
     /// [`SCNetworkReachability`]: https://developer.apple.com/documentation/systemconfiguration/scnetworkreachabilityflags
+    #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
     pub struct ReachabilityFlags: u32 {
         /// The specified node name or address can be reached via a transient connection, such as
         /// PPP.