Use llvm action

Author: daizutabi

.github/workflows/ci.yml

@@ -24,6 +24,7 @@ jobs:
         os:
           - ubuntu-latest
           - macOS-latest
+          - windows-latest
         arch:
           - x64
         group:
@@ -34,6 +35,10 @@ jobs:
             os: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: KyleMayes/install-llvm-action@v2
+        with:
+          version: "17"
+        if: matrix.os == 'windows-latest'
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.version }}