Make method 'ItemFamily::infos()' deprecated

[grospelliergilles]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 76.47059% with 4 lines in your changes missing coverage. Please review.

Project coverage is 69.64%. Comparing base (8a00745) to head (2747ffa).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
arcane/src/arcane/mesh/DoFFamily.cc	25.00%	3 Missing ⚠️
arcane/src/arcane/mesh/PolyhedralMesh.cc	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1647      +/-   ##
==========================================
- Coverage   69.64%   69.64%   -0.01%     
==========================================
  Files        2245     2245              
  Lines      160416   160422       +6     
  Branches    18485    18485              
==========================================
  Hits       111718   111718              
- Misses      42045    42051       +6     
  Partials     6653     6653              

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