fix(heap): Add missing test for heap task tracking config

- Add sdkconfig.ci.task_tracking that runs generic tests
with heap task tracking enabled.
- Add task_tracking.c that includes a test checking that
a created task that allocates memory is added to the list
of task tracked by the heap task tracking feature.

components/heap/test_apps/heap_tests/pytest_heap.py

@@ -13,7 +13,7 @@ from pytest_embedded import Dut
     [
         'no_poisoning',
         'light_poisoning',
-        'comprehensive_poisoning'
+        'comprehensive_poisoning',
     ]
 )
 def test_heap_poisoning(dut: Dut) -> None: