WIP: Update win-ci workflow.

Author: vehre

.github/workflows/win-ci.yml

@@ -7,6 +7,9 @@ jobs:
     runs-on: windows-latest
     strategy:
       fail-fast: true
+      matrix:
+        mpi: [ 'intelmpi', 'msmpi' ]
+    name: Check with ${{ matrix.mpi }}
     defaults:
       run:
         shell: msys2 {0}
@@ -17,7 +20,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Install Dependencies
       uses: msys2/setup-msys2@v2
@@ -31,7 +34,7 @@ jobs:
       id: setup-mpi
       uses: mpi4py/setup-mpi@v1
       with:
-        mpi: intelmpi
+        mpi: ${{ matrix.mpi }}
 
     - name: MPI info
       run: |