Experiment with matrix

Author: ychin

.github/workflows/macvim-buildtest.yaml

@@ -61,7 +61,13 @@ jobs:
   # Builds and test MacVim
   build-and-test:
     if: ${{ !inputs.skip }}
-    runs-on: ${{ inputs.os }}
+
+    strategy:
+      matrix:
+        include:
+          - os: ${{ inputs.os }}
+
+    runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
         uses: actions/checkout@v5