Update run_tests.yml

Testing on python 3.10.6, the current Colab version

Author: slinderman

.github/workflows/run_tests.yml

@@ -16,10 +16,10 @@ jobs:
     - name: Clone the reference repository
       uses: actions/checkout@v2
 
-    - name: Set up Python 3.7
+    - name: Set up Python 3.10.6
       uses: actions/setup-python@v2
       with:
-        python-version: '3.7'
+        python-version: '3.10.6'
 
     - name: Install dependencies
       run: |