temporarly only test 3.12

Author: pcriadoperez

.github/workflows/python-app.yml

@@ -45,7 +45,7 @@ jobs:
     strategy:
       max-parallel: 1
       matrix:
-        python: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python: ["3.12"]
     steps:
     - uses: actions/checkout@v4
     - name: Checking env