Update

Author: odow

.github/workflows/hipo.yml

@@ -62,7 +62,7 @@ jobs:
             -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} `
             -DALL_TESTS=${{ matrix.all_tests }} `
             -DHIPO=ON `
-            -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake `
+            -DBLAS_ROOT=C:/vcpkg/installed/x64-windows `
             -DMETIS_ROOT=installs `
             ..
           cmake --build . --parallel --config ${{ matrix.build_type }}