Use python version 3.6.10 since the previous one isn't available in gh actions.

.github/workflows/actions.yml

@@ -11,7 +11,7 @@ jobs:
     - name: Build the data and create local changes
       uses: actions/setup-python@v1
       with:
-        python-version: '3.6.2'
+        python-version: '3.6.10'
         architecture: x64
     - run: |
         pip install -r requirements.txt