set python version for runner

.github/workflows/build_and_release.yml

@@ -12,6 +12,9 @@ jobs:
       contents: write
     steps:
     - uses: actions/checkout@v2
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.10.x'
     - uses: snok/install-poetry@v1
       with:
         virtualenvs-create: true