Update default C++ standard to C++14

(3RDPARTY_UPDATE)

Resolves: COMPMID-3849

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I6369f112337310140e2d6c8e79630cd11138dfa0
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4544
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/framework/Framework.h b/tests/framework/Framework.h
index 01ab373..cf854f2 100644
--- a/tests/framework/Framework.h
+++ b/tests/framework/Framework.h
@@ -355,7 +355,7 @@
 template <typename T>
 inline void Framework::add_test_case(std::string test_name, DatasetMode mode, TestCaseFactory::Status status)
 {
-    _test_factories.emplace_back(support::cpp14::make_unique<SimpleTestCaseFactory<T>>(current_suite_name(), std::move(test_name), mode, status));
+    _test_factories.emplace_back(std::make_unique<SimpleTestCaseFactory<T>>(current_suite_name(), std::move(test_name), mode, status));
 }
 
 template <typename T, typename D>