updated ci to run under python 3.10

.github/workflows/ci.yml

@@ -9,14 +9,14 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.9]
+        python-version: [3.10]
 
     steps:
     - uses: actions/checkout@v1
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v1
       with:
-        python-version: 3.9
+        python-version: 3.10
     # Build Vue frontend
     - uses: actions/setup-node@v2
       with: