Bump CI Python version to 3.11

GitHub Actions runners no longer have Python 3.7 available, causing setup-python to fail on every push.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Author: akariv

.github/workflows/main.yml

@@ -13,7 +13,7 @@ jobs:
         node-version: '10'
     - uses: actions/setup-python@v2
       with:
-        python-version: '3.7'
+        python-version: '3.11'
     - name: Build it
       env:
         TRAVIS_CI_OPERATOR: "1"