Try 3.13 only

Author: alicjapolanska

.github/workflows/python.yml

@@ -1,15 +1,13 @@
 name: Tests
 
-on:
-  push:
-  pull_request:
+on: [push]
 
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ${{ github.ref == 'refs/heads/main' && '3.11,3.12,3.13' || '3.13' }}
+        python-version: [3.13]
 
     steps:
     - uses: actions/checkout@v2.3.1