Update python-publish.yml

Author: reiase

.github/workflows/python-publish.yml

@@ -23,6 +23,8 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: '3.x'
+    - name: Install Rust toolchain
+      uses: dtolnay/rust-toolchain@stable
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip