spell out explicit combinations

Author: inariksit

.github/workflows/build-python-package.yml

@@ -12,16 +12,14 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: true
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        # Define macos_arch only if os is macos-latest; otherwise empty string
-        macos_arch: [""]
-        include:
-          - os: macos-latest
-            macos_arch: x86_64
-          - os: macos-latest
-            macos_arch: arm64
-
+    matrix:
+      include:
+        - os: ubuntu-latest
+          macos_arch: ""
+        - os: macos-latest
+          macos_arch: x86_64
+        - os: macos-latest
+          macos_arch: arm64
     steps:
       - uses: actions/checkout@v4