Update lockdown Github actions to v4

[yann-eugone]

Lockdown seems to fail
yokai-php/batch-documentation#1

Trying to update from v2 to v4

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.73%. Comparing base (359e685) to head (5391587).
Report is 2 commits behind head on 0.x.

Additional details and impacted files

@@            Coverage Diff            @@
##                0.x     #169   +/-   ##
=========================================
  Coverage     99.73%   99.73%           
  Complexity      926      926           
=========================================
  Files           154      154           
  Lines          2976     2976           
=========================================
  Hits           2968     2968           
  Misses            8        8           

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