Add first implementation of a basic memory pool

[grospelliergilles]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 81.25000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 70.12%. Comparing base (521301b) to head (38f1cc6).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
arcane/src/arcane/utils/MemoryPool.cc	77.14%	5 Missing and 3 partials ⚠️
arcane/src/arcane/utils/tests/TestMemoryPool.cc	90.90%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1684   +/-   ##
=======================================
  Coverage   70.12%   70.12%           
=======================================
  Files        2249     2252    +3     
  Lines      160494   160542   +48     
  Branches    18533    18536    +3     
=======================================
+ Hits       112542   112577   +35     
- Misses      41239    41248    +9     
- Partials     6713     6717    +4     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.