only build for one python version

Author: emnbdx

.github/workflows/python.yml

@@ -1,26 +1,17 @@
-# NOTE: This file is auto generated by OpenAPI Generator.
-# URL: https://openapi-generator.tech
-#
-# ref: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
-
 name: helloasso_python Python package
 
 on: [push, pull_request]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: '3.13'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip