Fix release pipeline

Author: dolfinus

.github/workflows/release.yml

@@ -38,7 +38,7 @@ jobs:
     - name: Set up Python 3.10
       uses: actions/setup-python@v2
       with:
-        python-version: 3.10
+        python-version: '3.10'
 
     - name: Cache pip
       uses: actions/cache@v2