Convert VCPKG Windows path to MSYS path

Author: alinaliBQ

.github/workflows/cpp_windows.yml

@@ -159,5 +159,7 @@ jobs:
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ inputs.arch }}
           # For ORC
           set TZDIR=${{ steps.setup-msys2.outputs.msys2-location }}\usr\share\zoneinfo
-          set VCPKG_ROOT=%VCPKG_ROOT_KEEP%
+
+          # Convert VCPKG Windows path to MSYS path
+          for /f "usebackq delims=" %%I in (`bash -c "cygpath -u \"$VCPKG_ROOT_KEEP\""` ) do set VCPKG_ROOT=%%I
           bash -c "ci/scripts/cpp_test.sh $(pwd) $(pwd)/build"