Update CI matrix to test Python 3.10, 3.12, 3.13

Remove Python 3.9 from the test matrix since pyproject.toml now
requires Python >=3.10. Add Python 3.13 to ensure compatibility
with newer Python versions.

Author: fede-kamel

.github/workflows/_test.yml

@@ -20,8 +20,9 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.9"
+          - "3.10"
           - "3.12"
+          - "3.13"
     name: "make test #${{ matrix.python-version }}"
     steps:
       - uses: actions/checkout@v4