chore: introduce *Args types for new() methods (#10009)

Constructors with long param lists can be hard to reason about when a
number of the args are `None`, in practice. Introducing a struct to use
as the args type helps make things more self-documenting.

codex-rs/network-proxy/src/state.rs

@@ -20,6 +20,7 @@ use serde::Deserialize;
 use std::collections::HashSet;
 
 pub use crate::runtime::BlockedRequest;
+pub use crate::runtime::BlockedRequestArgs;
 pub use crate::runtime::NetworkProxyState;
 #[cfg(test)]
 pub(crate) use crate::runtime::network_proxy_state_for_policy;