CompatHelper: bump compat for Tracking in [extras] to 4, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Tracking package from 2 to 2, 4.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.15%. Comparing base (e696e68) to head (7250a77).

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #76   +/-   ##
=======================================
  Coverage   98.15%   98.15%           
=======================================
  Files          14       14           
  Lines        1520     1520           
=======================================
  Hits         1492     1492           
  Misses         28       28           

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