fix(ci): configure crates.io trusted publishing

Author: mitsuhiko

.github/workflows/publish.yml

@@ -28,5 +28,10 @@ jobs:
           TAG=${GITHUB_REF_NAME}
           test "$VERSION" = "$TAG"
 
+      - id: auth
+        uses: rust-lang/crates-io-auth-action@v1
+
       - name: Publish
         run: cargo publish --locked
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}