Update CPM.cmake

Author: Muppetsg2

cmake/CPM.cmake

@@ -1,7 +1,7 @@
 set(CPM_DOWNLOAD_VERSION 0.40.8)
 
 set(CPM_SOURCE_CACHE "${CMAKE_SOURCE_DIR}/out/thirdparty")
-set(CPM_DOWNLOAD_LOCATION "${CMAKE_BINARY_DIR}/cmake/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+set(CPM_DOWNLOAD_LOCATION "${CMAKE_SOURCE_DIR}/out/cmake/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
 
 # Expand relative path. This is important if the provided path contains a tilde (~)
 get_filename_component(CPM_DOWNLOAD_LOCATION ${CPM_DOWNLOAD_LOCATION} ABSOLUTE)