chore: increase minimum required cmake version. (#3331)

* build: increase minimum required cmake version.

---------

Co-authored-by: Randolph Settgast <settgast1@llnl.gov>

src/CMakeLists.txt

@@ -1,10 +1,8 @@
 
-cmake_minimum_required( VERSION 3.23 )
+cmake_minimum_required( VERSION 3.24 )
 
 # At the moment we are manually passing the cuda arch flag.
-if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.23.0")
-  cmake_policy(SET CMP0104 OLD) # when using nvcc populate CMAKE_CUDA_ARCHITECTURES, raise error if we can't
-endif()
+cmake_policy(SET CMP0104 OLD) # when using nvcc populate CMAKE_CUDA_ARCHITECTURES, raise error if we can't
 cmake_policy(SET CMP0074 NEW) # dont ignore <PackageName>_ROOT env vars when searching for packages via find_package()
 cmake_policy(SET CMP0066 NEW) # use CMAKE_<LANG>_FLAGS_<BUILD_TYPE> for try_compile() instead of only CMAKE_<LANG>_FLAGS
 cmake_policy(SET CMP0056 NEW) # use CMAKE_EXE_LINKER_FLAGS in try_compile() in addition to CMAKE_<LANG>_FLAGS