Install Ninja and add to path Windows

Author: mcbarton

.github/workflows/Windows.yml

@@ -111,7 +111,9 @@ jobs:
       if: ${{ steps.cache.outputs.cache-hit != 'true' }}
       run: |
         choco install findutils
+        choco install ninja
         $env:PATH="C:\Program Files (x86)\GnuWin32\bin;$env:PATH"
+        $env:PATH="C:\Program Files (x86)\Ninja\bin;$env:PATH"
 
     - name: Build LLVM/Cling on Windows systems if the cache is invalid
       if: ${{ steps.cache.outputs.cache-hit != 'true' }}
@@ -302,6 +304,12 @@ jobs:
           echo "Unsupported compiler - fix YAML file"
         }
 
+    - name: Install deps on Windows
+      if: ${{ steps.cache.outputs.cache-hit != 'true' }}
+      run: |
+        choco install ninja
+        $env:PATH="C:\Program Files (x86)\Ninja\bin;$env:PATH"
+
     - name: Restore Cache LLVM/Clang runtime build directory
       uses: actions/cache/restore@v4
       id: cache