Update release.yml

Author: lzchen

.github/workflows/release.yml

@@ -14,6 +14,9 @@ jobs:
 
       - uses: actions/checkout@v4
 
+      - name: Install toml
+        run: pip install toml
+
       - name: Set environment variables
         run: |
           stable_version=$(./scripts/eachdist.py version --mode stable)