Add HeapTrack Research tool

[LuAbelt]

Adds heaptrack as a research tool for experiment on future studies

[codecov]

Codecov Report

❌ Patch coverage is 48.14815% with 42 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.49%. Comparing base (0d135b9) to head (7f1adce).

Files with missing lines	Patch %	Lines
varats/varats/tools/research_tools/heaptrack.py	44.00%	42 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           vara-dev     #932      +/-   ##
============================================
- Coverage     66.58%   66.49%   -0.09%     
============================================
  Files           357      358       +1     
  Lines         28741    28766      +25     
============================================
- Hits          19137    19129       -8     
- Misses         9604     9637      +33     

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