bump py version in ci

Author: Pieter van Beerendonk

.github/workflows/ci.yml

@@ -22,12 +22,12 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.7
+          python-version: 3.12
 
       - name: Install requirements
         run: |