Attempt to fix windows build

Seems to be using msys by mistake after previous edit

Author: rsjbailey

.github/workflows/build.yml

@@ -44,8 +44,6 @@ jobs:
         uses: lukka/run-vcpkg@v11
         id: runvcpkg
         with:
-          runVcpkgInstall: true
-          vcpkgTriplet: '${{ matrix.triplet }}'
           vcpkgDirectory: '${{ runner.workspace }}/b/vcpkg'
           vcpkgGitCommitId: 'b46d9050a9d40d54d24cac3ef8d50402d421f598'
 
@@ -107,6 +105,8 @@ jobs:
             -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
             -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
             -DBUILD_SHARED_LIBS=${{ matrix.shared }}
+        env:
+          VCPKG_DEFAULT_TRIPLET: ${{ matrix.triplet }}
 
       - name: 'print ccache stats'
         run: ccache -s