add python 3.11 and 3.12 to pytest.yaml

.github/workflows/pytest.yaml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
         env: [
           '-r requirements.txt .[test]',
           '-r requirements-min.txt .[test]',
@@ -27,6 +27,10 @@ jobs:
             env: '-r requirements-min.txt .[test]'
           - python-version: "3.10"
             env: '-r requirements-min.txt .[test]'
+          - python-version: "3.11"
+            env: '-r requirements-min.txt .[test]'
+          - python-version: "3.12"
+            env: '-r requirements-min.txt .[test]'
           # required numpy is not available on python 3.7, so exclude:
           - python-version: 3.7
             env: '-r requirements.txt .[test]'