Update Python versions in CI tests

Python 3.11 was released October 2022.
Python 3.7 went end-of-life June 2023

Author: Julian-O

.github/workflows/push.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
         os: [ubuntu-latest, macOs-latest]
     steps:
     - name: Checkout python-for-android