[j.10] CMake Boost: increase minimum version to 1.74 ()

Merging branch 'j.10'  into 'main'.

See merge request !2537

cmake/BornAgain/FindLibraries.cmake

@@ -82,7 +82,7 @@ if(WIN32)
 endif()
 
 message(STATUS "Boost required libraries: ${boost_libraries_required}")
-find_package(Boost 1.65.1 COMPONENTS ${boost_libraries_required})
+find_package(Boost 1.74 COMPONENTS ${boost_libraries_required})
 # remove the extra added library Boost::regex
 # NOTE: The CMake `FindBoost` module internally adds Boost::regex as an extra dependency for Boost::iostream; yet this is unnecessary;
 # see <https://gitlab.kitware.com/cmake/cmake/-/issues/23406>