fix: exclude one matrix

Author: phi-friday

.github/workflows/run_tests.yml

@@ -19,6 +19,9 @@ jobs:
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         numpy-version: [">=1.25,<2", ">=2"]
+        exclude:
+          - python-version: "3.13"
+            numpy-version: ">=1.25,<2" # numpy<2 is not supported on Python 3.13
 
     steps:
     - uses: actions/checkout@v3