Simplify matrix

Author: cbrnr

.github/workflows/test.yml

@@ -16,19 +16,15 @@ jobs:
     name: Python ${{ matrix.python-version }} with ${{ matrix.numpy }}
     strategy:
       matrix:
-        #os: [windows-latest, ubuntu-latest, macos-latest]
+        os: [windows-latest, ubuntu-latest, macos-latest]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
-        numpy: ["numpy"]
-        include:
-          - python-version: "3.9"
+        numpy:
+          - "numpy"
+          - "numpy==1.26.4"
+        exclude:
+          - python-version: "3.13"
             numpy: "numpy==1.26.4"
-          - python-version: "3.10"
-            numpy: "numpy==1.26.4"
-          - python-version: "3.11"
-            numpy: "numpy==1.26.4"
-          - python-version: "3.12"
-            numpy: "numpy==1.26.4"
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
       - uses: astral-sh/setup-uv@v3