[ci] increase allowed memory for elasticsearch on tests

[aHenryJard]

Proposed changes

Related issues

Checklist

• [ ] I consider the submitted work as finished
• [ ] I tested the code for its functionality
• [ ] I wrote test cases for the relevant uses case (coverage and e2e)
• [ ] I added/update the relevant documentation (either on github or on notion)
• [ ] Where necessary I refactored code to improve the overall quality

Further comments

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 16.98%. Comparing base (22e82c7) to head (a8c7335). :warning: Report is 26 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #13666   +/-   ##
=======================================
  Coverage   16.98%   16.98%           
=======================================
  Files        2935     2935           
  Lines      146841   146841           
  Branches    38423    38423           
=======================================
+ Hits        24935    24936    +1     
+ Misses     121906   121905    -1     

Flag	Coverage Δ
opencti	16.98% <ø> (+<0.01%)	:arrow_up:
opencti-front	2.39% <ø> (-0.02%)	:arrow_down:
opencti-graphql	59.30% <ø> (+0.03%)	:arrow_up:

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[aHenryJard]

No usefull time of run is the same