add linux 3.13

Author: MaxBo

.github/workflows/linux-conda.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python-version: [3.9, '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
     - uses: actions/checkout@v4
     - name: Setup base conda for Python 3.11