Update deploy.yml (#383)

update python version

Author: ylafon

.github/workflows/deploy.yml

@@ -11,7 +11,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
-        python-version: '3.8' 
+        python-version: '3.10' 
     - run: pip install bikeshed
     - run: bikeshed update --skip-manifest
     - run: make