Update ci.yml

Author: raoulcollenteur

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12',]
+        python-version: ['3.10', '3.11', '3.12', '3.13']
 
     steps:
       - uses: actions/checkout@v4