add armadillo 15.0.x

Author: conradsnicta

integration_test/CMakeLists.txt

@@ -32,7 +32,7 @@ ENDIF ()
 
 ADD_SUBDIRECTORY(extern/pybind11)
 
-SET(USE_ARMA_VERSION 14.4.x)
+SET(USE_ARMA_VERSION 15.0.x)
 FetchContent_Declare(
   CarmaArmadillo
   GIT_REPOSITORY https://gitlab.com/conradsnicta/armadillo-code.git