Set CUDA_STATIC_MATH_LIBRARIES in Python builds

In #4526, we introduced the
CUDA_STATIC_MATH_LIBRARIES option and set it to OFF by default. We
did not set it to ON in the Python builds, and as a result ended
up bundling dynamic CUDA libraries. Set the option to ON in the
Python build.

python/cugraph/CMakeLists.txt

@@ -53,6 +53,7 @@ if(NOT cugraph_FOUND)
   set(BUILD_CUGRAPH_MG_TESTS OFF)
   set(BUILD_CUGRAPH_OPS_CPP_TESTS OFF)
   set(CUDA_STATIC_RUNTIME ON)
+  set(CUDA_STATIC_MATH_LIBRARIES ON)
   set(USE_RAFT_STATIC ON)
   set(CUGRAPH_COMPILE_RAFT_LIB ON)
   set(CUGRAPH_USE_CUGRAPH_OPS_STATIC ON)

python/pylibcugraph/CMakeLists.txt

@@ -53,6 +53,7 @@ if (NOT cugraph_FOUND)
   set(BUILD_CUGRAPH_MG_TESTS OFF)
   set(BUILD_CUGRAPH_OPS_CPP_TESTS OFF)
   set(CUDA_STATIC_RUNTIME ON)
+  set(CUDA_STATIC_MATH_LIBRARIES ON)
   set(USE_RAFT_STATIC ON)
   set(CUGRAPH_COMPILE_RAFT_LIB ON)
   set(CUGRAPH_USE_CUGRAPH_OPS_STATIC ON)