Add auth with crates.io step

Author: PartiallyUntyped

.github/workflows/release-plz.yml

@@ -1,4 +1,4 @@
-name: Release-plz
+name: Publish release
 
 on:
   push:
@@ -19,17 +19,19 @@ jobs:
         uses: actions/checkout@v5
         with:
           fetch-depth: 0
-          persist-credentials: true
-          token: ${{ secrets.RELEASE_PLZ_TOKEN }}
       - &install-rust
         name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
+      - name: Authenticate to crates.io
+        uses: rust-lang/crates-io-auth-action@v1
+        id: auth
       - name: Run release-plz
         uses: release-plz/[email protected]
         with:
           command: release
         env:
           GITHUB_TOKEN: ${{ secrets.RELEASE_PLZ_TOKEN }}
+          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}
 
   release-plz-pr:
     name: Release-plz PR