install llvm/clang for windows ci run

Signed-off-by: Alexander Droste <[email protected]>

Author: 0ax1

.github/workflows/ci.yml

@@ -519,6 +519,10 @@ jobs:
         shell: bash
         run: |
           choco install visualstudio2022buildtools --package-parameters "--add Microsoft.VisualStudio.Workload.VCTools --includeRecommended --passive" -y
+      - name: Install LLVM / Clang (Windows)
+        if: matrix.os == 'windows-x64'
+        shell: bash
+        run: choco install llvm -y
       - name: Setup Python (Windows)
         if: matrix.os == 'windows-x64'
         uses: actions/setup-python@v5