Now experiment with inputs

Author: ychin

.github/actions/test_artifacts/action.yml

@@ -7,7 +7,7 @@ runs:
       uses: actions/github-script@v8
       id: matrix-props
       env:
-        MATRIX_PROPS: ${{ toJSON(matrix) }}
+        MATRIX_PROPS: ${{ toJSON(inputs) }}
       with:
         # An array-flattening-to-string JavaScript function.
         script: |

.github/workflows/macvim-buildtest.yaml

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