Refactor MemoryUtils

[grospelliergilles]

• Move memory management methods from platform to MemoryUtils.
• Make methods using IMemoryResourceMng internal to Arcane.
• Rename MemoryRessourceMng to MemoryResourceMng.
• Remove deprecated usage of some methods.

[codecov]

Codecov Report

Attention: Patch coverage is 70.90909% with 16 lines in your changes missing coverage. Please review.

Project coverage is 70.26%. Comparing base (3c827aa) to head (392f9de).
Report is 6 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
arcane/src/arcane/utils/MemoryUtils.cc	56.52%	9 Missing and 1 partial ⚠️
arcane/src/arcane/utils/MemoryResourceMng.cc	87.50%	1 Missing and 1 partial ⚠️
arcane/src/arcane/utils/PlatformUtils.cc	71.42%	2 Missing ⚠️
...ne/src/arcane/accelerator/core/ReduceMemoryImpl.cc	0.00%	1 Missing ⚠️
arcane/src/arcane/impl/VariableSynchronizer.cc	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1806      +/-   ##
==========================================
- Coverage   70.26%   70.26%   -0.01%     
==========================================
  Files        2261     2261              
  Lines      162446   162441       -5     
  Branches    18705    18705              
==========================================
- Hits       114143   114139       -4     
+ Misses      41533    41529       -4     
- Partials     6770     6773       +3     

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