try to get this working

.forgejo/workflows/main.yml

@@ -7,16 +7,16 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
     - name: Check out repository
       uses: actions/checkout@v2
 
     - name: Set up Python
-      uses: actions/setup-python@v4
-      # with:
-      #   python-version: '3.12.3'
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.12
 
     - name: Install dependencies
       run: |

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.12.3
+FROM python:3.12
 
 WORKDIR /app