Switch NanoVDB tests to using macos 14 runners (#2111)

Author: swahtz

.github/workflows/nanovdb.yml

@@ -150,8 +150,8 @@ jobs:
     strategy:
       matrix:
         config:
-          - { runner: 'macos-13', cxx: 'clang++', build: 'Release' }
-          - { runner: 'macos-13', cxx: 'clang++', build: 'Debug'   }
+          - { runner: 'macos-14', cxx: 'clang++', build: 'Release' }
+          - { runner: 'macos-14', cxx: 'clang++', build: 'Debug'   }
       fail-fast: false
     steps:
       - uses: actions/checkout@v3
@@ -164,7 +164,7 @@ jobs:
           ./ci/build.sh -v
           --build-type=${{ matrix.config.build }}
           --components=core,nano,nanotest,nanoexam,nanobench,nanotool
-          --cargs=\'-DUSE_EXPLICIT_INSTANTIATION=OFF -DNANOVDB_USE_CUDA=OFF -DNANOVDB_USE_OPENVDB=ON\'
+          --cargs=\'-DUSE_EXPLICIT_INSTANTIATION=OFF -DNANOVDB_USE_CUDA=OFF -DNANOVDB_USE_OPENVDB=ON -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/install \'
       - name: test
         run: cd build && ctest -V -E ".*cuda.*|.*mgpu.*"