ci/docs: Try a different release

Author: bilelmoussaoui

.github/workflows/docs.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@nightly
         with:
-          toolchain: nightly-2025-09-01
+          toolchain: nightly-2025-10-01
       - env:
           RUSTFLAGS: --cfg docsrs
           RUSTDOCFLAGS: --cfg docsrs