fix: update unit test CMake minimum version

Raise the unit test CMake minimum version to 3.5 so CMake 4 can configure the test project without relying on removed compatibility for older versions.

Generated-by: OpenAI Codex
Signed-off-by: aineoae86-sys <ai.neo.ae86@gmail.com>

Author: aineoae86-sys

test/unit-test/CMakeLists.txt

@@ -2,7 +2,7 @@
 include(${MODULE_ROOT_DIR}/backoffAlgorithmFilePaths.cmake)
 
 project ("backoff algorithm unit test")
-cmake_minimum_required (VERSION 3.2.0)
+cmake_minimum_required (VERSION 3.5)
 
 # ====================  Define your project name (edit) ========================
 set(project_name "backoff_algorithm")