chore: upgrade nightly version in CI and doc workflows (#72)

## Description

rustdocs is broken because we are using a feature that no longer exists
in nightly.

this updates our workflows to use a more recent version of nightly and
also adjusts the naming of the feature in question

---------

Co-authored-by: “ramfox” <“kasey@n0.computer”>

Author: ramfox

.github/workflows/ci.yaml

@@ -205,7 +205,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@master
       with:
-        toolchain: nightly-2025-05-01
+        toolchain: nightly-2025-10-09
     - name: Install sccache
       uses: mozilla-actions/sccache-action@v0.0.9
 

.github/workflows/docs.yaml

@@ -32,7 +32,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@master
       with:
-        toolchain: nightly-2025-05-01
+        toolchain: nightly-2025-10-09
     - name: Install sccache
       uses: mozilla-actions/sccache-action@v0.0.9
 

src/lib.rs

@@ -33,7 +33,7 @@
 //!
 //! [paper]: https://arxiv.org/abs/2212.13567
 #![deny(missing_docs, rustdoc::broken_intra_doc_links)]
-#![cfg_attr(iroh_docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(iroh_docsrs, feature(doc_cfg))]
 
 pub mod metrics;
 pub mod net;

src/store/pubkeys.rs

@@ -11,7 +11,7 @@ use crate::{AuthorId, AuthorPublicKey, NamespaceId, NamespacePublicKey};
 ///
 /// Used to cache [`ed25519_dalek::VerifyingKey`].
 ///
-/// This trait is implemented for the unit type [`()`], where no caching is used.
+/// This trait is implemented for the unit type `()`, where no caching is used.
 pub trait PublicKeyStore {
     /// Convert a byte array into a  [`VerifyingKey`].
     ///

src/ticket.rs

@@ -1,4 +1,4 @@
-//! Tickets for [`iroh-docs`] documents.
+//! Tickets for `iroh-docs` documents.
 
 use iroh::NodeAddr;
 use iroh_base::ticket;