Add RelWithDebInfo

Useful for ARM Performance Reports and Intel Application Performance Snapshot.

CMakeLists.txt

 cmake_minimum_required(VERSION 3.20)
 project(Detection_eddies LANGUAGES Fortran)
-set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Debug Release Profile)
+set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Debug Release Profile
+  RelWithDebInfo)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
 find_package(NetCDF_Fortran REQUIRED)
 find_package(MPI)