update Task module and tests: add missing includes, adjust test utilities, and increase cognitive complexity threshold in .clang-tidy

Author: allnes

modules/core/performance/tests/.clang-tidy

@@ -38,4 +38,4 @@ Checks: >
 
 CheckOptions:
   - key:             readability-function-cognitive-complexity.Threshold
-    value:           50  # default: 25
+    value:           70  # default: 25

modules/core/task/include/task.hpp

@@ -3,6 +3,7 @@
 #include <omp.h>
 
 #include <algorithm>
+#include <array>
 #include <chrono>
 #include <core/util/include/util.hpp>
 #include <cstdint>
@@ -16,6 +17,7 @@
 #include <sstream>
 #include <stdexcept>
 #include <string>
+#include <utility>
 #include <vector>
 
 namespace ppc::core {

modules/core/task/tests/task_tests.cpp

@@ -1,10 +1,15 @@
 #include <gtest/gtest.h>
 
+#include <chrono>
 #include <cstddef>
 #include <cstdint>
+#include <exception>
 #include <fstream>
+#include <stdexcept>
+#include <thread>
 #include <vector>
 
+#include "core/task/include/task.hpp"
 #include "core/task/tests/test_task.hpp"
 
 TEST(task_tests, check_int32_t) {