Use Python 3.10 in diff_report job (#12847)

Author: andrewheard

.github/workflows/api_diff_report.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Setup python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.7
+          python-version: '3.10'
 
       - name: Install Prerequisites
         run:  ~/api_diff_report/prerequisite.sh