update python version in deploy

Author: ea-rus

.github/workflows/release.yml

@@ -46,7 +46,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: '3.7'
+        python-version: '3.9'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip==20.2.4