Add option -DPYBIND11_FINDPYTHON=ON.

setup.py

@@ -87,6 +87,7 @@ class CMakeBuild(build_ext):
                 f"-DENABLE_ASAN={asan}",
                 f"-DCUDA={with_cuda}",
                 "-DPYBIND=ON",
+                "-DPYBIND11_FINDPYTHON=ON",
                 "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON",
                 "-DCOVERAGE=OFF",
                 "-DCMAKE_CUDA_ARCHITECTURES=native",