Fix wombatSetup configuration

[benoit74]

For some reason, these changes have been made in warc2zim after preparation of the move to python-scraperlib of rewriting logic and we failed to backport them in python-scraperlib in due time

From openzim/warc2zim#334

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.72%. Comparing base (1fdc823) to head (65587b0).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #301   +/-   ##
=======================================
  Coverage   99.72%   99.72%           
=======================================
  Files          41       41           
  Lines        2545     2545           
  Branches      365      365           
=======================================
  Hits         2538     2538           
  Misses          2        2           
  Partials        5        5           

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