Merge pull request #555 from light-curve/msrv-3.13t

Put 3.13t back to MSRV test

Author: hombit

.github/workflows/test.yml

@@ -194,6 +194,10 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: '3.9'
+      - name: Set up Python 3.13t
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.13t'
       - name: Set up Python 3.14t
         uses: actions/setup-python@v5
         with:
@@ -219,4 +223,5 @@ jobs:
         run: |
           rustup default ${{ steps.get_msrv.outputs.msrv }}
           maturin build -i python3.9
+          maturin build -i python3.13t
           maturin build -i python3.14t