install cmake

.github/workflows/build.yml

@@ -32,6 +32,7 @@ jobs:
       name: build
       run: |
         conda activate "${{ steps.reqs.outputs.envname }}"
+        which cmake || conda install -yq cmake
         cmake -S . -B ./build_proj -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_MATLAB_WRAPPER=OFF -DBUILD_PYTHON_WRAPPER=ON -DBUILD_CUDA=ON -DCMAKE_INSTALL_PREFIX=./install
         cmake --build ./build_proj --target install
         pip install ./src/Python