upd some versioning files

Context

• upd 'version.txt'
• upd 'Changelog'
• upd catch2 version

unit_tests/CMakeLists.txt

 Include(FetchContent)
 
-set(CATCH2_VERSION v3.0.1)
+set(CATCH2_VERSION v3.7.1)
 message(STATUS "Retrieving Catch2 ${CATCH2_VERSION} from git")
 FetchContent_Declare(
   Catch2
@@ -16,7 +16,7 @@ add_executable(tests${module_name} ${src_files})
 
 target_link_libraries(tests${module_name} PUBLIC ${module_name})
 
-target_link_libraries(tests${module_name} 
+target_link_libraries(tests${module_name}
     PRIVATE
         Catch2::Catch2WithMain
         CUDA::cudart