chore: upgrade nightly version run in docs CI

Author: “ramfox”

.github/workflows/docs.yaml

@@ -32,7 +32,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@master
       with:
-        toolchain: nightly-2024-11-30
+        toolchain: nightly-2025-10-20
     - name: Install sccache
       uses: mozilla-actions/[email protected]